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Document and Entity Information - shares	6 Months Ended
Document and Entity Information - shares	Jul. 31, 2013	Sep. 03, 2013
Document and Entity Information [Abstract]
Entity Registrant Name	MITCHAM INDUSTRIES INC
Entity Central Index Key	0000926423
Document Type	10-Q
Document Period End Date	Jul. 31, 2013
Amendment Flag	false
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--01-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		12,837,576

Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jul. 31, 2013	Jan. 31, 2013
Current assets:
Cash and cash equivalents	$ 20,298	$ 15,150
Restricted cash	719	801
Accounts receivable, net	23,651	23,131
Current portion of contracts and notes receivable	1,075	2,096
Inventories, net	6,536	6,188
Prepaid income taxes	7,023	5,591
Deferred tax asset	1,751	1,842
Prepaid expenses and other current assets	4,039	3,079
Total current assets	65,092	57,878
Seismic equipment lease pool and property and equipment, net	105,874	119,608
Intangible assets, net	3,587	3,989
Goodwill	4,320	4,320
Deferred tax asset	4,816	4,296
Other assets	32	316
Total assets	183,721	190,407
Current liabilities:
Accounts payable	4,436	6,921
Current maturities - long-term debt	130	145
Deferred revenue	653	539
Accrued expenses and other current liabilities	2,930	1,875
Total current liabilities	8,149	9,480
Non-current income taxes payable	376	376
Long-term debt, net of current maturities	139	4,238
Total liabilities	8,664	14,094
Shareholders' equity:
Preferred stock, $1.00 par value; 1,000 shares authorized; none issued and outstanding
Common stock, $0.01 par value; 20,000 shares authorized; 13,867 and 13,763 shares issued at July 31, 2013 and January 31, 2013, respectively	139	138
Additional paid-in capital	117,368	116,506
Treasury stock, at cost (1,030 and 926 shares at July 31, 2013 and January 31, 2013, respectively)	(6,402)	(4,860)
Retained earnings	61,962	56,348
Accumulated other comprehensive income	1,990	8,181
Total shareholders' equity	175,057	176,313
Total liabilities and shareholders' equity	$ 183,721	$ 190,407

Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) - $ / shares shares in Thousands	Jul. 31, 2013	Jan. 31, 2013
Condensed Consolidated Balance Sheets [Abstract]
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, shares authorized	1,000	1,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	20,000	20,000
Common stock, shares issued	13,867	13,763
Treasury stock, shares	1,030	926

Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Revenues:
Equipment leasing	$ 6,442	$ 10,882	$ 26,535	$ 31,890
Lease pool equipment sales	2,119	3,204	3,019	5,536
Seamap equipment sales	6,958	7,262	10,885	17,806
Other equipment sales	5,376	1,732	7,747	2,479
Total revenues	20,895	23,080	48,186	57,711
Cost of sales:
Direct costs - equipment leasing	1,119	1,940	2,392	4,645
Direct costs - lease pool depreciation	7,386	8,437	14,805	16,831
Cost of lease pool equipment sales	559	1,007	961	2,411
Cost of Seamap and other equipment sales	7,531	4,296	11,131	9,538
Total cost of sales	16,595	15,680	29,289	33,425
Gross profit	4,300	7,400	18,897	24,286
Operating expenses:
General and administrative	6,048	5,719	12,087	11,038
Recovery of doubtful accounts				(428)
Depreciation and amortization	378	340	753	669
Total operating expenses	6,426	6,059	12,840	11,279
Operating (loss) income	(2,126)	1,341	6,057	13,007
Other income (expenses):
Interest, net	160	(96)	157	(101)
Other, net	1,000	29	739	(569)
Total other income (expenses)	1,160	(67)	896	(670)
(Loss) income before income taxes	(966)	1,274	6,953	12,337
Benefit (provision) for income taxes	273	5,128	(1,339)	2,521
Net (loss) income	$ (693)	$ 6,402	$ 5,614	$ 14,858
Net (loss) income per common share:
Basic	$ (0.05)	$ 0.51	$ 0.44	$ 1.17
Diluted	$ (0.05)	$ 0.48	$ 0.43	$ 1.12
Shares used in computing net income per common share:
Basic	12,742	12,665	12,766	12,646
Diluted	12,742	13,262	13,198	13,294

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Condensed Consolidated Statements of Comprehensive Income [Abstract]
Net (loss) income	$ (693)	$ 6,402	$ 5,614	$ 14,858
Change in cumulative translation adjustment	(4,610)	(1,911)	(6,191)	(145)
Comprehensive (loss) income	$ (5,303)	$ 4,491	$ (577)	$ 14,713

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Net Income
-URI http://asc.fasb.org/extlink&oid=6518256

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.19)
-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.18)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.22)
-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Other Comprehensive Income
-URI http://asc.fasb.org/extlink&oid=6519514

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
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-Section 45
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e565-108580

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 19
-Article 5

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 20
-Article 9

+ Details

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jul. 31, 2013	Jul. 31, 2012
Cash flows from operating activities:
Net income	$ 5,614,000	$ 14,858,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	15,624,000	17,567,000
Stock-based compensation	553,000	1,064,000
Provision for doubtful accounts, net of charge offs		(17,000)
Provision for inventory obsolescence	58,000	118,000
Gross profit from sale of lease pool equipment	(2,058,000)	(3,125,000)
Excess tax benefit from exercise of non-qualified stock options and restricted shares	(44,000)	(350,000)
Deferred tax provision	(695,000)	(1,815,000)
Changes in non-current income taxes payable		(5,003,000)
Changes in working capital items:
Accounts receivable	(2,568,000)	11,722,000
Contracts and notes receivable	1,329,000	(850,000)
Inventories	(1,028,000)	(370,000)
Prepaid expenses and other current assets	(1,382,000)	1,109,000
Income taxes payable	(1,666,000)	(7,105,000)
Prepaid foreign income tax		3,519,000
Accounts payable, accrued expenses, other current liabilities and deferred revenue	2,224,000	(2,042,000)
Net cash provided by operating activities	15,961,000	29,280,000
Cash flows from investing activities:
Purchases of seismic equipment held for lease	(7,829,000)	(27,316,000)
Purchases of property and equipment	(405,000)	(485,000)
Sale of used lease pool equipment	3,019,000	5,536,000
Net cash used in investing activities	(5,215,000)	(22,265,000)
Cash flows from financing activities:
Net payments on revolving line of credit	(4,000,000)	(150,000)
Payments on borrowings	(72,000)	(1,494,000)
Net purchases of short-term investments	7,000
Proceeds from issuance of common stock upon exercise of options	252,000	96,000
Purchase of treasury stock	(1,527,000)
Excess tax benefit from exercise of non-qualified stock options and restricted shares	44,000	350,000
Net cash used in financing activities	(5,296,000)	(1,198,000)
Effect of changes in foreign exchange rates on cash and cash equivalents	(302,000)	441,000
Net change in cash and cash equivalents	5,148,000	6,258,000
Cash and cash equivalents, beginning of period	15,150,000	15,287,000
Cash and cash equivalents, end of period	20,298,000	21,545,000
Supplemental cash flow information:
Interest paid	82,000	325,000
Income taxes paid	3,625,000	7,035,000
Purchases of seismic equipment held for lease in accounts payable at end of period	$ 1,190,000	$ 385,000

Basis of Presentation

6 Months Ended

Jul. 31, 2013

Basis of Presentation [Abstract]

Basis of Presentation

1. Basis of Presentation

The condensed consolidated balance sheet as of January 31, 2013 for Mitcham Industries, Inc. (for purposes of these notes, the “Company”) has been derived from audited consolidated financial statements. The unaudited interim condensed consolidated financial statements have been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) have been condensed or omitted pursuant to such rules and regulations, although the Company believes that the disclosures are adequate to make the information presented not misleading. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and the related notes included in the Company’s Annual Report on Form 10-K for the year ended January 31, 2013. In the opinion of the Company, all adjustments, consisting only of normal recurring adjustments, necessary to present fairly the financial position as of July 31, 2013, the results of operations for the three and six months ended July 31, 2013 and 2012, and the cash flows for the six months ended July 31, 2013 and 2012, have been included in these financial statements. The foregoing interim results are not necessarily indicative of the results of operations to be expected for the full fiscal year ending January 31, 2014.

Organization

6 Months Ended

Jul. 31, 2013

Organization [Abstract]

Organization

2. Organization

The Company was incorporated in Texas in 1987. The Company, through its wholly-owned Canadian subsidiary, Mitcham Canada, ULC. (“MCL”), its wholly-owned Russian subsidiary, Mitcham Seismic Eurasia LLC (“MSE”), its wholly- owned Hungarian subsidiary, Mitcham Europe Ltd. (“MEL”), its wholly-owned Singaporean subsidiary, Mitcham Marine Leasing Pte Ltd. (“MML”), and its branch operations in Colombia and Peru, provides full-service equipment leasing, sales and service to the seismic industry worldwide. The Company, through its wholly-owned Australian subsidiary, Seismic Asia Pacific Pty Ltd. (“SAP”), provides seismic, oceanographic and hydrographic leasing and sales worldwide, primarily in Southeast Asia and Australia. The Company, through its wholly-owned subsidiary, Seamap International Holdings Pte, Ltd. (“Seamap”), designs, manufactures and sells a broad range of proprietary products for the seismic, hydrographic and offshore industries with manufacturing, support and sales facilities based in Singapore and the United Kingdom. All material intercompany transactions and balances have been eliminated in consolidation.

Restricted Cash

6 Months Ended

Jul. 31, 2013

Restricted Cash [Abstract]

Restricted Cash

3. Restricted Cash

In connection with a temporary importation of lease pool equipment, MSE has pledged approximately $636,000 in short-term deposits as of July 31, 2013 as collateral to secure import bonds posted with Russian customs authorities. Also, in connection with certain contracts, SAP has pledged approximately $83,000 in short-term time deposits as of July 31, 2013 to secure performance obligations under those contracts. The amount of security will be released as the contractual obligations are performed over the remaining terms of the contracts, which is estimated to be approximately two months.

As these investments in short-term time deposits relate to financing activities, the securing of contract obligations, these transactions are reflected as a financing activities in the accompanying condensed consolidated statements of cash flows.

- Definition

The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments maturing within three months from the date of acquisition qualify.

+ References + Details

Balance Sheet

6 Months Ended

Jul. 31, 2013

Balance Sheet [Abstract]

Balance Sheet

4. Balance Sheet


	July 31, 2013			January 31, 2013
	(in thousands)
Accounts receivable:
Accounts receivable	$	26,932		$	26,505
Allowance for doubtful accounts		(3,281	)		(3,374	)

Total accounts receivable, net	$	23,651		$	23,131

Contracts and notes receivable:
Contracts receivable	$	858		$	904
Notes receivable		217			1,471
Less current portion		(1,075	)		(2,096	)

Long-term portion	$	—		$	279

Contracts receivable consisted of $858,000 due from two customers as of July 31, 2013 and $904,000 due from two customers as of January 31, 2013. Notes receivable of $217,000 at July 31, 2013 and $1,471,000 at January 31, 2013 relate to promissory notes issued by a customer in settlement of a trade accounts receivable. As of July 31, 2013, these agreements bear interest at an average of approximately 8.5% per year and have remaining repayment terms of one to 11 months. These agreements are collateralized by seismic equipment and are considered collectable; thus, no allowances have been established for them.


	July 31, 2013			January 31, 2013
	(in thousands)
Inventories:
Raw materials	$	3,074		$	3,103
Finished goods		3,676			3,531
Work in progress		904			627

		7,654			7,261
Less allowance for obsolescence		(1,118	)		(1,073	)

Total inventories, net	$	6,536		$	6,188


	July 31, 2013			January 31, 2013
	(in thousands)
Seismic equipment lease pool and property and equipment:
Seismic equipment lease pool	$	233,376		$	241,395
Land and buildings		366			366
Furniture and fixtures		8,861			8,899
Autos and trucks		807			748

		243,410			251,408
Accumulated depreciation and amortization		(137,536	)		(131,800	)

Total seismic equipment lease pool and property and equipment, net	$	105,874		$	119,608

Goodwill and Other Intangible Assets

6 Months Ended

Jul. 31, 2013

Goodwill and Other Intangible Assets [Abstract]

Goodwill and Other Intangible Assets

5. Goodwill and Other Intangible Assets


	Weighted Average Remaining Life at 7/31/2013		July 31, 2013							January 31, 2013
	Weighted Average Remaining Life at 7/31/2013		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
					(in thousands)							(in thousands)
Goodwill			$	4,320						$	4,320

Proprietary rights		6.9	$	3,444	$	(1,708	)	$	1,736	$	3,503	$	(1,625	)		1,878
Customer relationships		4.6		2,333		(996	)		1,337		2,402		(876	)		1,526
Patents		4.6		703		(300	)		403		724		(264	)		460
Trade name		4.6		192		(81	)		111		197		(72	)		125

Amortizable intangible assets			$	6,672	$	(3,085	)	$	3,587	$	6,826	$	(2,837	)	$	3,989

As of July 31, 2013, the Company had goodwill of $4,320,000, all of which was allocated to the Seamap segment. No impairment was recorded against the goodwill account.

Amortizable intangible assets are amortized over their estimated useful lives of eight to 15 years using the straight-line method. Aggregate amortization expense was $164,000 and $169,000 for the three months ended July 31, 2013 and 2012, respectively, and $329,000 and $338,000 for the six months ended July 31, 2013 and 2012, respectively. As of July 31, 2013, future estimated amortization expense related to amortizable intangible assets was estimated to be:


For fiscal years ending January 31 (in thousands):
2014	$	326
2015		653
2016		653
2017		653
2018		653
2019 and thereafter		649

Total	$	3,587

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

+ References + Details

Long-Term Debt and Notes Payable

6 Months Ended

Jul. 31, 2013

Long-Term Debt and Notes Payable [Abstract]

Long-Term Debt and Notes Payable

6. Long-Term Debt and Notes Payable

Long-term debt and notes payable consisted of the following (in thousands):


	July 31, 2013			January 31, 2013
Revolving line of credit	$	—		$	4,000
Other equipment notes		269			383

		269			4,383
Less current portion		(130	)		(145	)

Long-term debt	$	139		$	4,238

In August 2012, the Company entered into an amended credit agreement with First Victoria Bank (the “Bank”) that provided for borrowings of up to $50.0 million on a revolving basis through August 31, 2015 (the “Revolving Credit Facility”).

Amounts available for borrowing under the Revolving Credit Facility were determined by a borrowing base. The borrowing base was computed based upon certain outstanding accounts receivable, certain portions of the Company’s lease pool and certain lease pool assets that had been purchased with proceeds from the Revolving Credit Facility. The Revolving Credit Facility was collateralized by essentially all of the Company’s domestic assets. Interest was payable monthly at the greater of the prime rate or 3.25%. As of July 31, 2013, the applicable rate was 3.25%. Up to $10.0 million of available borrowings under the Revolving Credit Facility may be utilized to secure letters of credit. As of July 31, 2013, there were outstanding stand-by letters of credit totaling approximately $622,000. The Revolving Credit Facility contained certain financial covenants that require, among other things, the Company to maintain a debt to shareholders’ equity ratio of no more than 0.7 to 1.0, maintain a current assets to current liabilities ratio of not less than 1.25 to 1.0; and have quarterly earnings before interest, taxes, depreciation and amortization (“EBITDA”) of not less than $2.0 million. The Revolving Credit Facility also provided that the Company could not incur or maintain indebtedness in excess of $10.0 million without the prior written consent of the Bank, except for borrowings related to the Revolving Credit Facility. The Company could also guaranty up to $5.0 million of subsidiary debt without the Bank’s prior consent. The Company was in compliance with each of these provisions as of and for the six months ended July 31, 2013. The Company’s average borrowings under the Revolving Credit Facility for the six months ended July 31, 2013 and 2012 were approximately $3,715,000 and $15,756,000, respectively.

On August 2, 2013, the Company entered into a $50.0 million, three-year revolving credit facility, as described below (the “Credit Agreement”). The Credit Agreement replaced the Revolving Credit Facility with First Victoria National Bank. The Credit Agreement is a three-year, secured revolving facility in the maximum principal amount of $50.0 million, among the Company, as borrower, HSBC Bank USA, N.A., as administrative agent and several banks and other financial institutions from time to time parties thereto (initially consisting of HSBC Bank USA, N.A., and First Victoria National Bank) as lenders.

Amounts available for borrowing under the Credit Agreement are determined by a borrowing base. The borrowing base is determined primarily based upon the appraised value of the Company’s domestic lease pool equipment and certain accounts receivable. The Credit Agreement is collateralized by essentially all of the Company’s domestic assets (other than real estate) and 65% of the capital stock of Mitcham Holdings, Ltd., a foreign holding company that holds the capital stock of the Company’s foreign subsidiaries.

The Credit Agreement provides interest at a base rate, or for Eurodollar borrowings, in both cases plus an applicable margin. As of August 2, 2013, the base rate margin was 150 basis points and the Eurodollar margin was 250 basis points. The Company has agreed to pay a commitment fee on the unused portion of the Credit Agreement of 0.375% to 0.5%. Up to $10.0 million of available borrowings under the Credit Agreement may be utilized to secure letters of credit. The Credit Agreement contains certain financial covenants that require, among other things, that the Company maintain a leverage ratio, which is calculated at the end of each quarter, of no greater than 2.00 to 1.00 on a trailing four quarter basis and a fixed charge coverage ratio, which also is calculated at the end of each quarter, of no less than 1.25 to 1.00 on a trailing four quarter basis. In addition, should adjusted EBITDA, as defined in the Credit Agreement, for any trailing four quarter period be less than $22.0 million, the ratio of capital expenditures to adjusted EBITDA for that four quarter period may not be greater than 1.0 to 1.0. The Credit Agreement also includes restrictions on additional indebtedness in excess of $5.0 million.

The Credit Agreement contains customary representations, warranties, conditions precedent to credit extensions, affirmative and negative covenants and events of default. The negative covenants include restrictions on liens, additional indebtedness in excess of $5.0 million, acquisitions, fundamental changes, dispositions of property, restricted payments, transactions with affiliates and lines of business. The events of default include a change in control provision.

From time to time, certain subsidiaries have entered into notes payable to finance the purchase of certain equipment, which are secured by the equipment purchased.

Income Taxes

6 Months Ended

Jul. 31, 2013

Income Taxes [Abstract]

Income Taxes

7. Income Taxes

Prepaid income taxes of approximately $7.0 million at July 31, 2013 consisted of approximately $4.9 million of foreign taxes and approximately $2.1 million of domestic federal and state taxes. Prepaid income taxes of approximately $5.6 million at January 31, 2013 consisted of approximately $4.2 million of foreign taxes and approximately $1.4 million of domestic federal and state taxes.

The Company and its subsidiaries file consolidated and separate income tax returns in the United States federal jurisdiction and in foreign jurisdictions. The Company is subject to United States federal income tax examinations for all tax years beginning with its fiscal year ended January 31, 2010.

The Company is subject to examination by taxing authorities throughout the world, including foreign jurisdictions such as Australia, Canada, Colombia, Hungary, Peru, Russia, Singapore and the United Kingdom. With few exceptions, the Company and its subsidiaries are no longer subject to foreign income tax examinations for tax years before 2008.

In July 2012, the Company reached a settlement with the Canadian Revenue Agency (“CRA”) and the Internal Revenue Service regarding its request for competent authority assistance for matters arising from an audit of the Company’s Canadian income tax returns for the years ended January 31, 2004, 2005 and 2006. The issues involved related to intercompany repair charges, management fees and the deductibility of depreciation charges and whether those deductions should be taken in Canada or in the United States. Pursuant to the settlement agreement, adjustments have been proposed to the Company’s Canadian and United States income tax returns for the years ended January 31, 2004 through January 31, 2012. These changes are estimated to result in a net reduction to consolidated income tax expense of approximately $141,000, which amount was reflected in the Company’s benefit from income taxes for the six months ended July 31, 2012.

As a result of the settlement, in the six months ended July 31, 2012, the Company recognized the benefit of certain tax positions amounting to approximately $3.3 million and reversed previous estimates of potential penalties and interest amounting to approximately $1.9 million.

The effective tax rate for the three and six months ended July 31, 2013 was approximately 28.3% and 19.3%, respectively. Without the effect of the $5.3 million tax benefit above, the effective tax rate for the three and six months ended July 31, 2012 was 13.5% and 22.5%, respectively. These rates are less than the federal statutory rate of 34% primarily due to the effect of lower tax rates in certain foreign jurisdictions. The Company has determined that earnings from these jurisdictions have been permanently reinvested outside of the United States.

Earnings per Share

6 Months Ended

Jul. 31, 2013

Earnings per Share [Abstract]

Earnings per Share

8. Earnings per Share

Net income per basic common share is computed using the weighted average number of common shares outstanding during the period, excluding unvested restricted stock. Net income per diluted common share is computed using the weighted average number of common shares and dilutive potential common shares outstanding during the period using the treasury stock method. Potential common shares result from the assumed exercise of outstanding common stock options having a dilutive effect and from the assumed vesting of unvested shares of restricted stock.

The following table presents the calculation of basic and diluted weighted average common shares used in the earnings per share calculation:


	Three Months Ended July 31,				For the Six Months Ended July 31,
	2013		2012		2013		2012
	(in thousands)				(in thousands)
Basic weighted average common shares outstanding		12,742		12,665		12,766		12,646
Stock options		419		583		406		629
Unvested restricted stock		15		14		26		19

Total weighted average common share equivalents		434		597		432		648

Diluted weighted average common shares outstanding		13,176		13,262		13,198		13,294

For the three months ended July 31, 2013, potentially dilutive common shares, underlying stock options and unvested restricted stock, were anti-dilutive and were therefore not considered in calculating diluted loss per share for that period.

Treasury Stock

6 Months Ended

Jul. 31, 2013

Treasury Stock [Abstract]

Treasury Stock

9. Treasury Stock

In April 2013, the Company’s Board of Directors authorized the repurchase of up to 1,000,000 shares of the Company’s common stock through December 31, 2014. During the six months ended July 31, 2013, the Company repurchased 102,900 shares of its common stock at an average price of $14.79 per share. These shares are reflected as treasury stock in the accompanying financial statements. The Company expects that it will continue to purchase its shares from time to time in the open market or in privately negotiated purchase transactions as market and financial conditions warrant.

Stock-Based Compensation

6 Months Ended

Jul. 31, 2013

Stock-Based Compensation [Abstract]

Stock-Based Compensation

10. Stock-Based Compensation

Total compensation expense recognized for stock-based awards granted under the Company’s equity incentive plan during the three and six months ended July 31, 2013 was approximately $287,000 and $553,000, respectively, and, during the three and six months ended July 31, 2012 was approximately $870,000 and $1.1 million, respectively.

Segment Reporting

6 Months Ended

Jul. 31, 2013

Segment Reporting [Abstract]

Segment Reporting

11. Segment Reporting

The Equipment Leasing segment offers new and “experienced” seismic equipment for lease or sale to the oil and gas industry, seismic contractors, environmental agencies, government agencies and universities. The Equipment Leasing segment is headquartered in Huntsville, Texas, with sales and services offices in Calgary, Canada; Brisbane, Australia; Ufa, Bashkortostan, Russia; Budapest, Hungary; Singapore; Bogota, Colombia; and Lima, Peru.

The Seamap segment is engaged in the design, manufacture and sale of state-of-the-art seismic and offshore telemetry systems. Manufacturing, support and sales facilities are maintained in the United Kingdom and Singapore.

Financial information by business segment is set forth below (net of any allocations):


	As of July 31, 2013			As of January 31, 2013
	Total Assets			Total Assets
	(in thousands)
Equipment Leasing	$	165,373		$	171,971
Seamap		18,387			18,578
Eliminations		(39	)		(142	)

Consolidated	$	183,721		$	190,407

Results for the three months ended July 31, 2013 and 2012 were as follows (in thousands):


	Revenues						Operating (loss) income						(Loss) income before taxes
	2013			2012			2013			2012			2013			2012
Equipment Leasing	$	13,937		$	15,818		$	(3,428	)	$	(1,313	)	$	(2,504	)	$	(1,634	)
Seamap		7,042			7,454			1,260			2,617			1,496			2,871
Eliminations		(84	)		(192	)		42			37			42			37

Consolidated	$	20,895		$	23,080		$	(2,126	)	$	1,341		$	(966	)	$	1,274


Results for the six months ended July 31, 2013 and 2012 were as follows (in thousands):

	Revenues						Operating income						Income before taxes
	2013			2012			2013			2012			2013			2012
Equipment Leasing	$	37,301		$	39,905		$	4,730		$	5,714		$	5,331		$	5,092
Seamap		10,976			18,295			1,234			7,178			1,529			7,130
Eliminations		(91	)		(489	)		93			115			93			115

Consolidated	$	48,186		$	57,711		$	6,057		$	13,007		$	6,953		$	12,337

Sales from the Seamap segment to the Equipment Leasing segment are eliminated in the consolidated revenues. Consolidated income before taxes reflects the elimination of profit from intercompany sales and depreciation expense on the difference between the sales price and the cost to manufacture the equipment. Fixed assets are reduced by the difference between the sales price and the cost to manufacture the equipment, less the accumulated depreciation related to the difference.

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8981-108599

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8971-108599

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8595-108599

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8380-108599

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8933-108599

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 26
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8844-108599

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 35
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8984-108599

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9031-108599

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9054-108599

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8538-108599

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 29
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8864-108599

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 31
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8924-108599

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599

+ Details

Balance Sheet (Tables)

6 Months Ended

Jul. 31, 2013

Balance Sheet [Abstract]

Accounts receivable and contracts receivable


	July 31, 2013			January 31, 2013
	(in thousands)
Accounts receivable:
Accounts receivable	$	26,932		$	26,505
Allowance for doubtful accounts		(3,281	)		(3,374	)

Total accounts receivable, net	$	23,651		$	23,131

Contracts and notes receivable:
Contracts receivable	$	858		$	904
Notes receivable		217			1,471
Less current portion		(1,075	)		(2,096	)

Long-term portion	$	—		$	279

Inventories


	July 31, 2013			January 31, 2013
	(in thousands)
Inventories:
Raw materials	$	3,074		$	3,103
Finished goods		3,676			3,531
Work in progress		904			627

		7,654			7,261
Less allowance for obsolescence		(1,118	)		(1,073	)

Total inventories, net	$	6,536		$	6,188

Seismic equipment lease pool and property and equipment

	July 31, 2013			January 31, 2013
	(in thousands)
Seismic equipment lease pool and property and equipment:
Seismic equipment lease pool	$	233,376		$	241,395
Land and buildings		366			366
Furniture and fixtures		8,861			8,899
Autos and trucks		807			748

		243,410			251,408
Accumulated depreciation and amortization		(137,536	)		(131,800	)

Total seismic equipment lease pool and property and equipment, net	$	105,874		$	119,608

Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jul. 31, 2013

Goodwill and Other Intangible Assets [Abstract]

Goodwill and Other Intangible Assets


	Weighted Average Remaining Life at 7/31/2013		July 31, 2013							January 31, 2013
	Weighted Average Remaining Life at 7/31/2013		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
					(in thousands)							(in thousands)
Goodwill			$	4,320						$	4,320

Proprietary rights		6.9	$	3,444	$	(1,708	)	$	1,736	$	3,503	$	(1,625	)		1,878
Customer relationships		4.6		2,333		(996	)		1,337		2,402		(876	)		1,526
Patents		4.6		703		(300	)		403		724		(264	)		460
Trade name		4.6		192		(81	)		111		197		(72	)		125

Amortizable intangible assets			$	6,672	$	(3,085	)	$	3,587	$	6,826	$	(2,837	)	$	3,989

Future estimated amortization expense related to amortizable intangible assets

As of July 31, 2013, future estimated amortization expense related to amortizable intangible assets was estimated to be:


For fiscal years ending January 31 (in thousands):
2014	$	326
2015		653
2016		653
2017		653
2018		653
2019 and thereafter		649

Total	$	3,587

Long-Term Debt and Notes Payable (Tables)

6 Months Ended

Jul. 31, 2013

Long-Term Debt and Notes Payable [Abstract]

Long-term debt and notes payable

Long-term debt and notes payable consisted of the following (in thousands):


	July 31, 2013			January 31, 2013
Revolving line of credit	$	—		$	4,000
Other equipment notes		269			383

		269			4,383
Less current portion		(130	)		(145	)

Long-term debt	$	139		$	4,238

Earnings per Share (Tables)

6 Months Ended

Jul. 31, 2013

Earnings per Share [Abstract]

Basic and diluted weighted average common shares used in the earnings per share calculation

The following table presents the calculation of basic and diluted weighted average common shares used in the earnings per share calculation:


	Three Months Ended July 31,				For the Six Months Ended July 31,
	2013		2012		2013		2012
	(in thousands)				(in thousands)
Basic weighted average common shares outstanding		12,742		12,665		12,766		12,646
Stock options		419		583		406		629
Unvested restricted stock		15		14		26		19

Total weighted average common share equivalents		434		597		432		648

Diluted weighted average common shares outstanding		13,176		13,262		13,198		13,294

Segment Reporting (Tables)

6 Months Ended

Jul. 31, 2013

Assets [Member]

Segment Reporting Information [Line Items]

Financial information by business segment

Financial information by business segment is set forth below (net of any allocations):


	As of July 31, 2013			As of January 31, 2013
	Total Assets			Total Assets
	(in thousands)
Equipment Leasing	$	165,373		$	171,971
Seamap		18,387			18,578
Eliminations		(39	)		(142	)

Consolidated	$	183,721		$	190,407

Revenue [Member]

Segment Reporting Information [Line Items]

Financial information by business segment

Results for the three months ended July 31, 2013 and 2012 were as follows (in thousands):


	Revenues						Operating (loss) income						(Loss) income before taxes
	2013			2012			2013			2012			2013			2012
Equipment Leasing	$	13,937		$	15,818		$	(3,428	)	$	(1,313	)	$	(2,504	)	$	(1,634	)
Seamap		7,042			7,454			1,260			2,617			1,496			2,871
Eliminations		(84	)		(192	)		42			37			42			37

Consolidated	$	20,895		$	23,080		$	(2,126	)	$	1,341		$	(966	)	$	1,274


Results for the six months ended July 31, 2013 and 2012 were as follows (in thousands):

	Revenues						Operating income						Income before taxes
	2013			2012			2013			2012			2013			2012
Equipment Leasing	$	37,301		$	39,905		$	4,730		$	5,714		$	5,331		$	5,092
Seamap		10,976			18,295			1,234			7,178			1,529			7,130
Eliminations		(91	)		(489	)		93			115			93			115

Consolidated	$	48,186		$	57,711		$	6,057		$	13,007		$	6,953		$	12,337

Restricted Cash (Details)	6 Months Ended
Restricted Cash (Details)	Jul. 31, 2013 USD ($)
Restricted Cash (Textual) [Abstract]
Contractual obligations term	2 months
MSE [Member]
Restricted Cash (Textual) [Abstract]
Short-term time deposits	$ 636,000
SAP [Member]
Restricted Cash (Textual) [Abstract]
Short-term time deposits	$ 83,000

Balance Sheet (Details) - USD ($)	Jul. 31, 2013	Jan. 31, 2013
Accounts receivable:
Accounts receivable	$ 26,932,000	$ 26,505,000
Allowance for doubtful accounts	(3,281,000)	(3,374,000)
Total accounts receivable, net	23,651,000	23,131,000
Contracts and notes receivable:
Contracts receivable	858,000	904,000
Notes receivable	217,000	1,471,000
Less current portion	(1,075,000)	(2,096,000)
Long-term portion		$ 279,000

Balance Sheet (Details 1) - USD ($) $ in Thousands	Jul. 31, 2013	Jan. 31, 2013
Inventories:
Raw materials	$ 3,074	$ 3,103
Finished goods	3,676	3,531
Work in progress	904	627
Total inventories, gross	7,654	7,261
Less allowance for obsolescence	(1,118)	(1,073)
Total inventories, net	$ 6,536	$ 6,188

Balance Sheet (Details 2) - USD ($) $ in Thousands	Jul. 31, 2013	Jan. 31, 2013
Seismic equipment lease pool and property and equipment:
Seismic equipment lease pool and property and equipment, gross	$ 243,410	$ 251,408
Accumulated depreciation and amortization	(137,536)	(131,800)
Total seismic equipment lease pool and property and equipment, net	105,874	119,608
Seismic equipment lease pool [Member]
Seismic equipment lease pool and property and equipment:
Seismic equipment lease pool	233,376	241,395
Land and buildings [Member]
Seismic equipment lease pool and property and equipment:
Seismic equipment lease pool and property and equipment, gross	366	366
Furniture and fixtures [Member]
Seismic equipment lease pool and property and equipment:
Seismic equipment lease pool and property and equipment, gross	8,861	8,899
Autos and trucks [Member]
Seismic equipment lease pool and property and equipment:
Seismic equipment lease pool and property and equipment, gross	$ 807	$ 748

Balance Sheet (Details Textual)	6 Months Ended
Balance Sheet (Details Textual)	Jul. 31, 2013 USD ($) Customer	Jan. 31, 2013 USD ($)
Balance Sheet (Textual) [Abstract]
Contracts receivable	$ 858,000	$ 904,000
Contracts receivable, Interest rate	8.50%
Notes receivable relate to promissory notes	$ 217,000	$ 1,471,000
Number of customers \| Customer	2
Maximum [Member]
Balance Sheet [Line Items]
Contracts receivable repayment term	11 months
Minimum [Member]
Balance Sheet [Line Items]
Contracts receivable repayment term	1 month

Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2013	Jan. 31, 2013
Goodwill and Other Intangible Assets
Goodwill	$ 4,320	$ 4,320
Gross Carrying Amount	6,672	6,826
Accumulated Amortization	(3,085)	(2,837)
Net Carrying Amount	$ 3,587	3,989
Proprietary rights [Member]
Goodwill and Other Intangible Assets
Weighted Average Remaining Life	6 years 10 months 24 days
Gross Carrying Amount	$ 3,444	3,503
Accumulated Amortization	(1,708)	(1,625)
Net Carrying Amount	$ 1,736	1,878
Customer relationships [Member]
Goodwill and Other Intangible Assets
Weighted Average Remaining Life	4 years 7 months 6 days
Gross Carrying Amount	$ 2,333	2,402
Accumulated Amortization	(996)	(876)
Net Carrying Amount	$ 1,337	1,526
Patents [Member]
Goodwill and Other Intangible Assets
Weighted Average Remaining Life	4 years 7 months 6 days
Gross Carrying Amount	$ 703	724
Accumulated Amortization	(300)	(264)
Net Carrying Amount	$ 403	460
Trade name [Member]
Goodwill and Other Intangible Assets
Weighted Average Remaining Life	4 years 7 months 6 days
Gross Carrying Amount	$ 192	197
Accumulated Amortization	(81)	(72)
Net Carrying Amount	$ 111	$ 125

Goodwill and Other Intangible Assets (Details 1) - USD ($) $ in Thousands	Jul. 31, 2013	Jan. 31, 2013
Amortization expense related to amortizable intangible assets
2014	$ 326
2015	653
2016	653
2017	653
2018	653
2019 and thereafter	649
Net Carrying Amount	$ 3,587	$ 3,989

Goodwill and Other Intangible Assets (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012	Jan. 31, 2013
Goodwill and Other Intangible Assets (Textual) [Abstract]
Goodwill	$ 4,320,000		$ 4,320,000		$ 4,320,000
Goodwill impairment			0
Aggregate amortization expense	$ 164,000	$ 169,000	$ 329,000	$ 338,000
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets			15 years
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Useful life of intangible assets			8 years

Long-Term Debt and Notes Payable (Details) - USD ($) $ in Thousands	Jul. 31, 2013	Jan. 31, 2013
Long-term debt and notes payable
Long-term debt gross	$ 269	$ 4,383
Less current portion	(130)	(145)
Long-term debt	139	4,238
Revolving line of credit [Member]
Long-term debt and notes payable
Long-term debt gross		4,000
Other equipment notes [Member]
Long-term debt and notes payable
Long-term debt gross	$ 269	$ 383

Long-Term Debt and Notes Payable (Details Textual)	1 Months Ended		6 Months Ended
Long-Term Debt and Notes Payable (Details Textual)	Aug. 02, 2013 USD ($)	Aug. 31, 2012 USD ($)	Jul. 31, 2013 USD ($)	Jul. 31, 2012 USD ($)
Long-Term Debt and Notes Payable (Textual) [Abstract]
Collateral securities			The Revolving Credit Facility was collateralized by essentially all of the Company’s domestic assets
Line of credit agreement collateralized by percentage of own capital stock	65.00%
Maximum [Member]
Line of Credit Facility [Line Items]
Commitment fee on the unused portion of the Credit Agreement	0.50%
Minimum [Member]
Line of Credit Facility [Line Items]
Commitment fee on the unused portion of the Credit Agreement	0.375%
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Maximum borrowing amount on a revolving basis	$ 50,000,000
Interest description			Interest was payable monthly at the greater of the prime rate or 3.25% as of July 31, 2013.
Interest rate floor			3.25%
Interest rate			3.25%
Revolving Credit Facility Expiration Period	3 years
Revolving Credit Facility [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Available borrowings under the revolving credit facility to secure letters of credit			$ 10,000,000
Standby Letters of Credit [Member]
Line of Credit Facility [Line Items]
Outstanding standby letters of credit	$ 622,000		622,000
Credit Agreement [Member]
Line of Credit Facility [Line Items]
Leverage Ratio	2.00
Fixed Charge Coverage Ratio	1.25
Adjusted EBITDA	$ 22,000,000
Capital Expenditures to Adjusted EBITDA	1
Additional indebtedness	$ 5,000,000
Credit Agreement [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Available borrowings under the revolving credit facility to secure letters of credit			10,000,000
First Victoria Bank [Member]
Line of Credit Facility [Line Items]
Maturity date of revolving credit facility		Aug. 31, 2015
First Victoria Bank [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Guaranty of subsidiary debt			5,000,000
First Victoria Bank [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Maximum borrowing amount on a revolving basis		$ 50,000,000
Average borrowings under the revolving credit facility			$ 3,715,000	$ 15,756,000
Current assets to current liabilities ratio			1.25
Debt to shareholders equity ratio			0.7
First Victoria Bank [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Limit of indebtedness			$ 10,000,000
First Victoria Bank [Member] \| Revolving Credit Facility [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Quarterly earnings before interest, taxes, depreciation and amortization			$ 2,000,000
Base Rate [Member]
Line of Credit Facility [Line Items]
Credit Agreement basis points	1.50%
Eurodollar [Member]
Line of Credit Facility [Line Items]
Credit Agreement basis points	2.50%

Income Taxes (Details) - USD ($)	3 Months Ended		6 Months Ended
Income Taxes (Details) - USD ($)	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012	Jan. 31, 2013
Income Taxes (Textual) [Abstract]
Prepaid income taxes	$ 7,023,000		$ 7,023,000		$ 5,591,000
Prepaid foreign taxes	4,900,000		4,900,000		4,200,000
Prepaid domestic federal and state taxes	2,100,000		2,100,000		$ 1,400,000
Net reduction in consolidated income tax expenses		$ 141,000		$ 141,000
Recognized tax benefit	$ 3,300,000	$ 5,300,000	3,300,000	$ 5,300,000
Reversed estimates of potential penalties and interest			$ 1,900,000
Effective tax rate without impact	28.30%	13.50%	19.30%	22.50%
Federal statutory rate			34.00%

Earnings per Share (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
Earnings per Share (Details) - shares shares in Thousands	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Basic and diluted weighted average common shares used in the earnings per share calculation
Basic weighted average common shares outstanding	12,742	12,665	12,766	12,646
Stock options	419	583	406	629
Unvested restricted stock	15	14	26	19
Total weighted average common share equivalents	434	597	432	648
Diluted weighted average common shares outstanding	12,742	13,262	13,198	13,294

Treasury Stock (Details) - $ / shares	6 Months Ended
Treasury Stock (Details) - $ / shares	Jul. 31, 2013	Apr. 30, 2013
Treasury Stock (Textual) [Abstract]
Number of shares authorized to repurchase		1,000,000
Number of shares of common stock repurchased	102,900
Average price of shares repurchased	$ 14.79

Stock-Based Compensation (Details) - USD ($)	3 Months Ended		6 Months Ended
Stock-Based Compensation (Details) - USD ($)	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Stock-Based Compensation (Textual) [Abstract]
Compensation expenses recognized for stock-based awards granted	$ 287,000	$ 870,000	$ 553,000	$ 1,064,000

Segment Reporting (Details) - USD ($) $ in Thousands	Jul. 31, 2013	Jan. 31, 2013
Financial information by business segment
Total Assets	$ 183,721	$ 190,407
Equipment Leasing [Member]
Financial information by business segment
Total Assets	165,373	171,971
Seamap [Member]
Financial information by business segment
Total Assets	18,387	18,578
Eliminations [Member]
Financial information by business segment
Total Assets	$ (39)	$ (142)

Segment Reporting (Details 1) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Segment Reporting (Details 1) - USD ($) $ in Thousands	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Financial information by business segment
Revenues	$ 20,895	$ 23,080	$ 48,186	$ 57,711
Operating (loss) income	(2,126)	1,341	6,057	13,007
(Loss) Income before taxes	(966)	1,274	6,953	12,337
Equipment Leasing [Member]
Financial information by business segment
Revenues	13,937	15,818	37,301	39,905
Operating (loss) income	(3,428)	(1,313)	4,730	5,714
(Loss) Income before taxes	(2,504)	(1,634)	5,331	5,092
Seamap [Member]
Financial information by business segment
Revenues	7,042	7,454	10,976	18,295
Operating (loss) income	1,260	2,617	1,234	7,178
(Loss) Income before taxes	1,496	2,871	1,529	7,130
Eliminations [Member]
Financial information by business segment
Revenues	(84)	(192)	(91)	(489)
Operating (loss) income	42	37	93	115
(Loss) Income before taxes	$ 42	$ 37	$ 93	$ 115