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v3.7.0.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2017 | Jan. 31, 2016 | Jan. 31, 2015
Cash flows from operating activities: |  |  |
Net loss | $ (33,153) | $ (38,736) | $ (9,192)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |  |
Depreciation and amortization | 28,275 | 32,111 | 36,986
Stock-based compensation | 737 | 1,293 | 1,298
Impairment of intangible assets |  | 3,609 |
Provision for doubtful accounts, net of charge offs | 750 | 2,201 | 2,835
Provision for inventory obsolescence | 75 | 407 | 8
Gross loss (profit) from sale of lease pool equipment | 298 | (1,384) | (2,061)
Deferred tax expense (benefit) | 934 | 10,309 | (3,237)
Changes in: |  |  |
Trade accounts and contracts receivable | 7,345 | (238) | 605
Inventories | 850 | 677 | (279)
Income taxes receivable and payable | 475 | (1,716) | 1,701
Accounts payable, accrued expenses and other current liabilities | (2,189) | 1,241 | (2,303)
Prepaids and other current assets, net | (1,327) | 4,807 | (4,414)
Foreign exchange losses net of gains | 84 | 466 | 3,258
Net cash provided by operating activities | 3,154 | 15,047 | 25,205
Cash flows from investing activities: |  |  |
Purchases of seismic equipment held for lease | (636) | (2,173) | (19,449)
Acquisition of businesses |  | (10,000) | (14,500)
Purchases of property and equipment | (283) | (336) | (451)
Sales of used lease pool equipment | 5,331 | 2,240 | 3,158
Net cash provided by (used in) investing activities | 4,412 | (10,269) | (31,242)
Cash flows from financing activities: |  |  |
Net payments on revolving line of credit | (10,900) | (2,600) | (5,000)
(Payments on) proceeds from term loan and other borrowings | (3,217) | (3,217) | 9,107
Net (purchases of) proceeds from short-term investment |  | 182 | (99)
Net proceeds from preferred stock offering | 7,294 |  |
Preferred stock dividends | (486) |  |
Proceeds from issuance of common stock upon exercise of options |  |  | 320
Purchase of treasury stock | (4) | (3) | (9,762)
Net cash used in financing activities | (7,313) | (5,638) | (5,434)
Effect of changes in foreign exchange rates on cash and cash equivalents | (511) | (546) | 1,484
Net decrease in cash and cash equivalents | (258) | (1,406) | (9,987)
Cash and cash equivalents, beginning of year | 3,769 | 5,175 | 15,162
Cash and cash equivalents, end of year | $ 3,511 | $ 3,769 | $ 5,175

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