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v3.3.1.900

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Operating activities: |  |  |
Consolidated net income (loss) | $ 5,159 | $ (14,070) | $ (23,504)
Adjustments to reconcile consolidated net income (loss) to net cash provided by (used for) operating activities: |  |  |
Depreciation and amortization | 9,142 | 9,805 | 10,008
Gain from sale of equity method investment | (5,000) |  |
Gain from disposition of consolidated subsidiary | (28) |  |
Stock-based compensation expense | 1,782 | 1,634 | 2,450
Decrease in long-term income taxes payable | (675) | (472) | (155)
Deferred income taxes | (183) | 18 | 4,491
Decrease in long-term deferred revenue | (139) | (139) | (139)
Gain on disposal of equipment | (60) | (22) | (26)
(Benefit) provision for doubtful accounts | (18) | 66 |
Credit (gain) loss on available for sale securities | (12) | (311) | 78
Change in current assets and liabilities, net | 1,499 | 5,682 | 2,107
Net cash provided by (used for) operating activities | 11,467 | 2,191 | (4,690)
Investing activities: |  |  |
Sales and maturities of investments | 360 | 3,460 | 1,024
Purchases of investments |  | (340) |
Additions to property, plant and equipment | (9,090) | (7,128) | (6,179)
Proceeds from sale of equity method investment | 5,000 |  |
Deconsolidation of subsidiary | (392) |  |
Proceeds from sale of equipment | 60 | 22 | 26
(Increase) decrease in other assets | (204) | (43) | 49
Net cash used for investing activities | (4,266) | (4,029) | (5,080)
Financing activities: |  |  |
Purchases of Common Stock |  |  | (17,100)
Proceeds from issuance of Common Stock | 820 | 788 | 27
Acquisition of noncontrolling interest | (216) |  |
Noncontrolling interest dividends paid |  | (162) | (531)
Reversal of excess tax benefit of share-based compensation |  |  | (451)
Net cash provided by (used for) financing activities | 604 | 626 | (18,055)
Effect of foreign exchange rates on cash | (12) | 60 | (390)
Net increase (decrease) in cash and cash equivalents | 7,793 | (1,152) | (28,215)
Cash and cash equivalents at beginning of period | 55,187 | 56,339 | 84,554
Cash and cash equivalents at end of period | 62,980 | 55,187 | 56,339
Change in assets and liabilities, excluding effects of disposition of consolidated subsidiary: |  |  |
Accounts receivable | 2,201 | (1,151) | (821)
Inventories, net | 1,880 | 3,202 | 33
Other current assets | (111) | 1,029 | (1,647)
Accounts payable and accrued liabilities | (1,301) | 300 | 4,580
Accrued severance charges | (1,709) | 1,855 | 49
Income taxes payable | (10) | 26 | (321)
Deferred revenue | 549 | 421 | 234
Change in current assets and liabilities, net | 1,499 | 5,682 | 2,107
Supplemental disclosures: |  |  |
Cash paid during the year for income taxes, net of refunds | $ 675 | $ (1,529) | $ (61)

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