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v3.8.0.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2018 | Jan. 31, 2017 | Jan. 31, 2016
Cash flows from operating activities: |  |  |
Net loss | $ (21,069) | $ (33,153) | $ (38,736)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |  |
Depreciation and amortization | 16,637 | 28,275 | 32,111
Stock-based compensation | 903 | 737 | 1,293
Impairment of intangible assets | 1,466 | 0 | 3,609
Provision for doubtful accounts, net of charge offs | 1,013 | 750 | 2,201
Provision for inventory obsolescence | 815 | 75 | 407
Gross (profit) loss from sale of lease pool equipment | (4,906) | 298 | (1,384)
Deferred tax expense | (20) | 934 | 10,309
Non-current prepaid tax | 182 | 0 | 0
Changes in: |  |  |
Trade accounts and contracts receivable | 4,405 | 7,345 | (238)
Inventories | 685 | 850 | 677
Income taxes receivable and payable | 0 | 475 | (1,716)
Accounts payable, accrued expenses and other current liabilities | (455) | (2,189) | 1,241
Prepaids and other current assets, net | 1,002 | (1,327) | 4,807
Foreign exchange losses net of gains | 61 | 84 | 466
Net cash provided by operating activities | 719 | 3,154 | 15,047
Cash flows from investing activities: |  |  |
Purchases of seismic equipment held for lease | (909) | (636) | (2,173)
Acquisition of businesses | 0 | 0 | (10,000)
Purchases of property and equipment | (407) | (283) | (336)
Sales of used lease pool equipment | 10,313 | 5,331 | 2,240
Net cash provided by (used in) investing activities | 8,997 | 4,412 | (10,269)
Cash flows from financing activities: |  |  |
Net payments on revolving line of credit | (3,500) | (10,900) | (2,600)
Payments on term loan and other borrowings | (2,807) | (3,217) | (3,217)
Net (purchases of) proceeds from short-term investment | 0 | 0 | 182
Net proceeds from preferred stock offering | 4,174 | 7,294 | 0
Preferred stock dividends | (905) | (486) | 0
Purchase of treasury stock | 0 | (4) | (3)
Net cash used in financing activities | (3,038) | (7,313) | (5,638)
Effect of changes in foreign exchange rates on cash, cash equivalents and restricted cash | (43) | (511) | (546)
Net increase (decrease) in cash, cash equivalents and restricted cash | 6,635 | (258) | (1,406)
Cash and cash equivalents, beginning of year | 3,511 | 3,769 | 5,175
Cash and cash equivalents, end of year | $ 10,146 | $ 3,511 | $ 3,769

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