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v2.4.0.8

Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013
Operating activities: |  |
Consolidated net loss | $ (14,027) | $ (10,484)
Adjustments to reconcile consolidated net loss to net cash provided by (used for) operating activities: |  |
Depreciation and amortization | 7,313 | 7,555
Stock-based compensation expense | 1,173 | 1,893
Provision for doubtful accounts | 30 | 230
Decrease in long-term deferred revenue | (104) | (104)
Deferred income taxes |  | (5,491)
Excess tax benefit of stock-based compensation |  | (53)
Gain on disposal of equipment | (6) | (3)
Credit (gain) loss on available-for-sale securities | (39) | 78
(Decrease) increase in long-term income taxes payable | (538) | 33
Change in current assets and liabilities, net | 7,649 | 3,666
Net cash provided by (used for) operating activities | 1,451 | (2,680)
Investing activities: |  |
Additions to property, plant and equipment | (4,859) | (4,027)
Sales and maturities of investments | 190 | 603
Purchases of investments | (80) |
Proceeds from sale of equipment | 6 | 3
(Increase) decrease in other assets | (37) | 49
Net cash used for investing activities | (4,780) | (3,372)
Financing activities: |  |
Proceeds from issuance of Common Stock | 143 | 58
Purchases of Common Stock |  | (17,100)
Excess tax benefit of stock-based compensation |  | 53
Net cash provided by (used for) financing activities | 143 | (16,989)
Effect of foreign exchange rates on cash | 33 | (325)
Net decrease in cash and cash equivalents | (3,153) | (23,366)
Cash and cash equivalents at beginning of period | 56,339 | 84,554
Cash and cash equivalents at end of period | $ 53,186 | $ 61,188

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