Condensed Consolidated Statements of Stockholders’ Equity (USD $) In Thousands, except Share data	Stock Options [Member] Additional Paid-in Capital [Member]	Stock Options [Member]	Restricted Stock [Member] Additional Paid-in Capital [Member]	Restricted Stock [Member]	Series A Preferred Stock [Member]	Series B Preferred Stock [Member]	Series C Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance, December 31, 2009 at Dec. 31, 2009					$ 500	$ 5,852		$ 193	$ 31,975	$ (31,804)	$ (1,395)	$ 5,321
Balance, December 31, 2009 (in Shares) at Dec. 31, 2009					50	1,007		19,302,987
Issuance of preferred stock pursuant to a private placement, net of associated fees of $33							1,517					1,517
Issuance of preferred stock pursuant to a private placement, net of associated fees of $33 (in Shares)							1,550
Conversion of Series B-1 Convertible Preferred Stock and accrued dividends of $1,284 into Common Stock						(5,852)		157	6,979	(1,284)
Conversion of Series B-1 Convertible Preferred Stock and accrued dividends of $1,284 into Common Stock (in Shares)						(1,007)		15,692,824
Issuance of common stock pursuant to a private placement, net of associated fees of $804								59	5,637			5,696
Issuance of common stock pursuant to a private placement, net of associated fees of $804 (in Shares)								5,909,087
Issuance of warrant to purchase common stock pursuant to a credit facility									723			723
Stock-based compensation expense	193	193	308	308
Restricted stock issuance								10	(10)
Restricted stock issuance (in Shares)								1,019,000
Restricted stock forfeiture								(7)	7
Restricted stock forfeiture (in Shares)								(650,032)
Stock options exercised								1	11			12
Stock options exercised (in Shares)								14,333
Net loss										(3,423)		(3,423)
Balance at Dec. 31, 2010					500		1,517	413	45,823	(36,511)	(1,395)	10,347
Balance (in Shares) at Dec. 31, 2010					50		1,550	41,288,199
Stock-based compensation expense	125	125	226	226
Restricted stock forfeiture								(1)	1
Restricted stock forfeiture (in Shares)								(106,672)
Stock options exercised								1	73			74
Stock options exercised (in Shares)								81,663
Cashless exercise of warrants								2	(2)
Cashless exercise of warrants (in Shares)								200,646
Net loss										(3,007)		(3,007)
Balance at Dec. 31, 2011					$ 500		$ 1,517	$ 415	$ 46,246	$ (39,518)	$ (1,395)	$ 7,765
Balance (in Shares) at Dec. 31, 2011					50		1,550	41,463,836