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v3.7.0.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Operating activities: |  |  |
Consolidated net income (loss) | $ (6,261) | $ 5,159 | $ (14,070)
Adjustments to reconcile consolidated net income (loss) to net cash provided by operating activities: |  |  |
Depreciation and amortization | 8,438 | 9,142 | 9,805
Gain from sale of equity method investment |  | (5,000) |
Increase in other assets | (505) |  |
Gain from disposition of consolidated subsidiary |  | (28) |
Stock-based compensation expense | 506 | 1,782 | 1,634
Increase (decrease) in long-term income taxes payable | 4 | (675) | (472)
Deferred income taxes | (78) | (183) | 18
Decrease in long-term deferred revenue | (94) | (139) | (139)
Loss (gain) on disposal of equipment | 4 | (60) | (22)
(Benefit) provision for doubtful accounts | (22) | (18) | 66
Credit gain on available for sale securities | (13) | (12) | (311)
Change in current assets and liabilities, net | (1,435) | 1,499 | 5,682
Net cash provided by operating activities | 544 | 11,467 | 2,191
Investing activities: |  |  |
Additions to property, plant and equipment | (8,428) | (9,090) | (7,128)
Sales and maturities of investments |  | 360 | 3,460
Purchases of investments |  |  | (340)
Proceeds from sale of equity method investment |  | 5,000 |
Deconsolidation of subsidiary |  | (392) |
Proceeds from sale of equipment | 2 | 60 | 22
Increase in other assets | (93) | (204) | (43)
Net cash used for investing activities | (8,519) | (4,266) | (4,029)
Financing activities: |  |  |
Proceeds from issuance of Common Stock | 1,584 | 820 | 788
Acquisition of noncontrolling interest | (372) | (216) |
Payment of contingent consideration obligations | (99) |  |
Noncontrolling interest dividends paid |  |  | (162)
Net cash provided by financing activities | 1,113 | 604 | 626
Effect of foreign exchange rates on cash | 52 | (12) | 60
Net (decrease) increase in cash and cash equivalents | (6,810) | 7,793 | (1,152)
Cash and cash equivalents at beginning of period | 62,980 | 55,187 | 56,339
Cash and cash equivalents at end of period | 56,170 | 62,980 | 55,187
Change in assets and liabilities, excluding effects of disposition of consolidated subsidiary: |  |  |
Accounts receivable | 780 | 2,201 | (1,151)
Inventories, net | (3,677) | 1,880 | 3,202
Other current assets | (158) | (111) | 1,029
Accounts payable and accrued liabilities | 339 | (1,301) | 300
Accrued severance charges | (195) | (1,709) | 1,855
Income taxes payable | 61 | (10) | 26
Deferred revenue | 1,415 | 549 | 421
Change in current assets and liabilities, net | (1,435) | 1,499 | 5,682
Supplemental disclosures: |  |  |
Cash paid during the year for income taxes, net of refunds | $ 230 | $ 675 | $ (1,529)

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