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v3.19.1

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Apr. 30, 2019 | Apr. 30, 2018
Cash flows from operating activities: |  |
Net loss | $ (2,415) | $ (5,905)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 2,131 | 3,303
Stock-based compensation | 172 | 126
Provision for doubtful accounts, net of charge offs | 0 | (200)
Gross profit from sale of lease pool equipment | (363) | (536)
Deferred tax expense | 135 | (202)
Changes in: |  |
Accounts receivable | 76 | 2,418
Unbilled revenue | 5 | (930)
Inventories | (501) | (844)
Prepaid expenses and other current assets | (672) | (1,520)
Income taxes receivable and payable | 2 | 642
Accounts payable, accrued expenses and other current liabilities | (382) | (47)
Deferred revenue | (23) | 313
Foreign exchange (gains) losses, net | (16) | 16
Net cash used in operating activities | (1,851) | (3,366)
Cash flows from investing activities: |  |
Purchases of seismic equipment held for lease | 0 | (190)
Acquisition of assets | 0 | (3,000)
Purchases of property and equipment | (366) | (113)
Sale of used lease pool equipment | 730 | 1,620
Sale of business, net of cash sold | 239 | 0
Net cash (used in) provided by investing activities | 603 | (1,683)
Cash flows from financing activities: |  |
Net proceeds from preferred stock offering | 409 | 3,812
Preferred stock dividends | (471) | (385)
Net cash provided by (used in) financing activities | (62) | 3,427
Effect of changes in foreign exchange rates on cash, cash equivalents and restricted cash | (100) | 322
Net decrease in cash, cash equivalents and restricted cash | (1,410) | (1,300)
Cash, cash equivalents and restricted cash, beginning of period | 9,549 | 10,146
Cash, cash equivalents and restricted cash, end of period | 8,139 | 8,846
Supplemental cash flow information: |  |
Interest paid | 14 | 1
Income taxes paid | 97 | 46
Purchases of seismic equipment held for lease in accounts payable at end of period | $ 0 | $ 1,186

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