Consolidated Statements of Shareholders' Equity and Comprehensive Loss (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2009	$ 159	$ 80,087	$ (51,461)	$ (701)	$ 28,084
Balance (in Shares) at Dec. 31, 2009	15,864,000
Net income (loss)			(2,396)		(2,396)
Deferred pension gain (loss), net of tax				226	226
Cumulative translation adjustment				(12)	(12)
Total comprehensive income (loss)					(2,182)
Share-based compensation		1,491			1,491
Exercise of stock options (in Shares)	1,000
Vesting of restricted stock units	1	(1)
Vesting of restricted stock units (in Shares)	75,000
Shares issued for 401(k) match	1	216			217
Shares issued for 401(k) match (in Shares)	114,000
Balance at Dec. 31, 2010	161	81,793	(53,857)	(487)	27,610
Balance (in Shares) at Dec. 31, 2010	16,054,000				16,053,945
Net income (loss)			(4,246)		(4,246)
Deferred pension gain (loss), net of tax				(940)	(940)
Cumulative translation adjustment				(1)	(1)
Total comprehensive income (loss)					(5,187)
Share-based compensation		1,005			1,005
Exercise of stock options	1	90			91
Exercise of stock options (in Shares)	105,000
Vesting of restricted stock units	3	255			258
Vesting of restricted stock units (in Shares)	350,000
Shares issued for 401(k) match	1	264			265
Shares issued for 401(k) match (in Shares)	130,000
Balance at Dec. 31, 2011	$ 166	$ 83,407	$ (58,103)	$ (1,428)	$ 24,042
Balance (in Shares) at Dec. 31, 2011	16,639,000				16,639,704