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v2.4.0.8

Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2014 | Jun. 30, 2013
Operating activities: |  |
Consolidated net loss | $ (10,358) | $ (9,586)
Adjustments to reconcile consolidated net loss to net cash provided by (used for) operating activities: |  |
Depreciation and amortization | 4,854 | 5,028
Stock-based compensation expense | 771 | 1,402
Provision for doubtful accounts | 11 | 190
Decrease in long-term deferred revenue | (69) | (71)
Deferred income taxes |  | (4,307)
Severance charges |  | 1,361
Excess tax benefit of stock-based compensation |  | (53)
Gain on disposal of equipment | (6) | (3)
Credit (gain) loss on available-for-sale securities | (20) | 79
Increase in long-term income taxes payable | 7 | 21
Change in current assets and liabilities, net | 2,589 | 1,723
Net cash used for operating activities | (2,221) | (4,216)
Investing activities: |  |
Additions to property, plant and equipment | (3,481) | (2,543)
Sales and maturities of investments | 90 | 334
Proceeds from sale of equipment | 6 | 3
(Increase) decrease in other assets | (32) | 57
Net cash used for investing activities | (3,417) | (2,149)
Financing activities: |  |
Proceeds from issuance of Common Stock | 20 | 55
Purchases of Common Stock |  | (17,100)
Excess tax benefit of stock-based compensation |  | 53
Net cash provided by (used for) financing activities | 20 | (16,992)
Effect of foreign exchange rates on cash | 84 | (419)
Net decrease in cash and cash equivalents | (5,534) | (23,776)
Cash and cash equivalents at beginning of period | 56,339 | 84,554
Cash and cash equivalents at end of period | $ 50,805 | $ 60,778

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