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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified | Jan. 31, 2013 | Jan. 31, 2012
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 15,150 | $ 15,287
Restricted cash | 801 | 98
Accounts receivable, net of allowance for doubtful accounts of $3,374 and $4,391 at January 31, 2013 and 2012, respectively | 23,131 | 35,788
Current portion of contracts and notes receivable | 2,096 | 2,273
Inventories, net | 6,188 | 6,708
Prepaid income taxes | 5,591 |
Deferred tax asset | 1,842 | 2,594
Prepaid expenses and other current assets | 3,079 | 2,530
Total current assets | 57,878 | 65,278
Seismic equipment lease pool and property and equipment, net | 119,608 | 120,377
Intangible assets, net | 3,989 | 4,696
Goodwill | 4,320 | 4,320
Prepaid foreign income tax |  | 3,519
Deferred tax asset | 4,296 |
Other assets | 316 | 39
Total assets | 190,407 | 198,229
Current liabilities: |  |
Accounts payable | 6,921 | 13,037
Current maturities - long-term debt | 145 | 1,399
Income taxes payable |  | 2,419
Deferred revenue | 539 | 543
Accrued expenses and other current liabilities | 1,875 | 6,583
Total current liabilities | 9,480 | 23,981
Non-current income taxes payable | 376 | 5,435
Deferred tax liability |  | 595
Long-term debt, net of current maturities | 4,238 | 12,784
Total liabilities | 14,094 | 42,795
Commitments and contingencies (Note 12, 16 and 17) |  |
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; 13,763 and 13,556 shares issued at January 31, 2013 and January 31, 2012, respectively | 138 | 136
Additional paid-in capital | 116,506 | 113,654
Treasury stock, at cost (926 and 925 shares at January 31, 2013 and 2012, respectively) | (4,860) | (4,857)
Retained earnings | 56,348 | 39,297
Accumulated other comprehensive income | 8,181 | 7,204
Total shareholders' equity | 176,313 | 155,434
Total liabilities and shareholders' equity | $ 190,407 | $ 198,229

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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A3 -Appendix A Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=6228006&loc=d3e74512-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E + Details
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- Definition The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Technical Bulletin (FTB) -Number 85-6 -Paragraph 3 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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