CONSOLIDATED STATEMENT OF SHAREHOLDER'S EQUITY (USD $) In Thousands, unless otherwise specified	Series C Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2009	$ 0	$ 1	$ 114,559	$ (110,704)	$ (328)	$ 3,528
Balance (in shares) at Dec. 31, 2009	1	11,176
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued on cashless exercise of options and warrants	0	0	0	0	0	0
Common stock issued on cashless exercise of options and warrants (in shares)	0	151
Employee stock-based compensation expense	0	0	489	0	0	489
Employee stock-based compensation expense (in shares)	0	270
Common stock issued for directors' fees	0	0	50	0		50
Common stock issued for directors' fees (in shares)	0	87
Repurchase of shares	0	0	(8)	0	0	(8)
Repurchase of shares (in shares)	0	(7)
Redemption of preferred stock	0	0	(100)	0	0	(100)
Redemption of preferred stock (in shares)	(1)	0
Dividends declared, preferred stock	0	0	0	(42)	0	(42)
Net (Loss) income	0	0	0	1,033	0	1,033
Balance at Dec. 31, 2010	0	1	114,990	(109,713)	(328)	4,950
Balance (in shares) at Dec. 31, 2010	0	11,677
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued on exercise of options	0	0	217	0	0	217
Common stock issued on exercise of options (in shares)	0	350
Employee stock-based compensation expense	0	0	55	0	0	55
Employee stock-based compensation expense (in shares)	0	0
Common stock issued for directors' fees	0	0	71	0	0	71
Common stock issued for directors' fees (in shares)	0	90
Net (Loss) income	0	0	0	(2,657)	0	(2,657)
Balance at Dec. 31, 2011	$ 0	$ 1	$ 115,333	$ (112,370)	$ (328)	$ 2,636
Balance (in shares) at Dec. 31, 2011	0	12,117