Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities:
Net income (loss)	$ (27,581)	$ (49,404)	$ (43,474)	[1]
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	20,240	21,748	22,079
Impairment of goodwill	0	0	29,748	[1]
Inventory valuation allowance	2,539	3,302	1,232
Deferred income taxes	3,106	703	1,531
Deferred tax valuation allowance provision	0	12,476	0
Write off of purchased computer software	0	2,868	0
Gain on sale of property held for sale		(2,303)
Stock-based compensation expense	4,097	5,298	1,391
Other	119	330	1,210
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(2,262)	11,119	(2,082)
Other receivables	(3,689)	(303)	1,005
Inventories	4,882	(10,192)	4,864
Inventory deposit	(481)	10,349	352
Other current assets	1,379	(1,197)	744
Accounts payable	(1,534)	(6,013)	3,718
Accrued wages and bonuses	(538)	(1,640)	(3,608)
Accrued restructuring	(2,006)	1,551	(3,014)
Deferred income	(1,963)	(1,145)	(2,733)
Other	(3,105)	362	(7,352)
Net cash provided by (used in) operating activities	(6,797)	(2,091)	5,611
Cash flows from investing activities:
Capital expenditures	(2,396)	(6,047)	(11,092)
Proceeds from sale of software assets	200	2,552	(68)
Net cash used in investing activities	(2,196)	(3,495)	(11,160)
Cash flows from financing activities:
Repayments on line of credit	(5,000)	(1,919)	0
Repayment of convertible notes	0		(10,081)
Proceeds from issuance of common stock	21,186	806	1,272
Other financing activities	(882)	(921)	(213)
Net cash provided by (used in) financing activities	15,304	(2,034)	(9,022)
Effect of exchange rate changes on cash	(551)	(80)	(17)
Net increase (decrease) in cash and cash equivalents	5,760	(7,700)	(14,588)
Cash and cash equivalents, beginning of period	25,482	33,182	47,770
Cash and cash equivalents, end of period	31,242	25,482	33,182
Supplemental disclosure of cash flow information:
Interest	1,207	1,090	1,347
Income taxes	$ 1,532	$ 1,415	$ 1,202

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