CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
Net sales	$ 7,755	$ 25,119	$ 18,970	$ 56,202
Cost of sales	7,396	23,534	19,312	52,617
Gross profit	359	1,585	(342)	3,585
Selling, general and administrative expenses	4,345	5,595	8,482	12,263
Research and development expense	709	1,113	1,613	2,191
Provision (recovery) for bad debt expense	1,898	(1,156)	2,238	450
Goodwill impairment (Note 6)				82,524
Operating loss	(6,593)	(3,967)	(12,675)	(93,843)
Interest expense, net	(7)	(50)	(6)	(111)
Amortization of deferred financing costs	(17)	(81)	(34)	(163)
Other income (Note 8)				7,201
Foreign currency transaction (loss) gain	(108)	202	(64)	(86)
Loss from continuing operations before income tax benefit	(6,725)	(3,896)	(12,779)	(87,002)
Income tax benefit from continuing operations	(2,234)	(1,475)	(4,078)	(2,450)
Net loss from continuing operations	(4,491)	(2,421)	(8,701)	(84,552)
Net loss	(4,491)	(2,421)	(8,701)	(84,552)
Other comprehensive income (loss):
Foreign currency translation (net of tax effect of $(154), $(846), $34 and $(311), respectively)	98	(1,573)	(251)	(579)
Other comprehensive income (loss)	98	(1,573)	(251)	(579)
Comprehensive loss	$ (4,393)	$ (3,994)	$ (8,952)	$ (85,131)
Net loss per share (Note 4):
Basic from continuing operations (in dollars per share)	$ (0.11)	$ (0.06)	$ (0.21)	$ (2.05)
Basic (in dollars per share)	$ (0.11)	$ (0.06)	$ (0.21)	$ (2.05)
Diluted from continuing operations (in dollars per share)	$ (0.11)	$ (0.06)	$ (0.21)	$ (2.05)
Diluted (in dollars per share)	$ (0.11)	$ (0.06)	$ (0.21)	$ (2.05)
Weighted-average shares outstanding (Note 4):
Basic (in shares)	41,607,310	41,287,338	41,574,713	41,239,316
Diluted from continuing operations (in shares)	41,607,310	41,287,338	41,574,713	41,239,316