CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME
Net sales	$ 6,219	$ 23,092	$ 25,189	$ 79,294
Cost of sales	7,040	22,510	26,352	75,127
Gross (loss) profit	(821)	582	(1,163)	4,167
Selling, general and administrative expenses	4,570	4,781	13,012	17,044
Research and development expense	703	1,063	2,316	3,254
(Recovery) provision for bad debt expense	(138)	47	2,100	497
Goodwill impairment (Note 6)				82,524
Operating loss	(5,956)	(5,309)	(18,591)	(99,152)
Interest expense, net		(85)	(6)	(196)
Amortization of deferred financing costs	(155)	(899)	(189)	(1,062)
Other income (Note 8)				7,201
Gain (loss) on disposal of fixed assets	140		100
Foreign currency transaction loss	(231)	(86)	(295)	(172)
Loss from continuing operations before income tax benefit	(6,202)	(6,379)	(18,981)	(93,381)
Income tax benefit from continuing operations	(268)	(2,800)	(4,346)	(5,250)
Net loss from continuing operations	(5,934)	(3,579)	(14,635)	(88,131)
Discontinued operations (Note 3):
Income tax benefit from discontinued operations		(4,246)		(4,246)
Net earnings from discontinued operations		4,246		4,246
Net (loss) earnings	(5,934)	667	(14,635)	(83,885)
Other comprehensive income (loss):
Foreign currency translation (net of tax effect of $(194), $154, $(160) and $(157), respectively)	548	287	297	(292)
Other comprehensive income (loss)	548	287	297	(292)
Comprehensive (loss) income	$ (5,386)	$ 954	$ (14,338)	$ (84,177)
Net (loss) earnings per share (Note 4):
Basic from continuing operations (in dollars per share)	$ (0.14)	$ (0.09)	$ (0.35)	$ (2.13)
Basic from discontinued operations (in dollars per share)		$ 0.11		$ 0.10
Basic (in dollars per share)	$ (0.14)	$ 0.02	$ (0.35)	$ (2.03)
Diluted from continuing operations (in dollars per share)	$ (0.14)	$ (0.09)	$ (0.35)	$ (2.13)
Diluted from discontinued operations (in dollars per share)		$ 0.11		$ 0.10
Diluted (in dollars per share)	$ (0.14)	$ 0.02	$ (0.35)	$ (2.03)
Weighted-average shares outstanding (Note 4):
Basic (in shares)	41,695,010	41,439,827	41,598,103	41,277,975
Diluted from continuing operations (in shares)	41,695,010	41,439,827	41,598,103	41,277,975