Condensed Consolidated Statements of Stockholders’ Equity (Unaudited) (USD $)	Preferred Stock [Member]	Convertible Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member] Stock Options other than restricted stock [Member]	Additional Paid-in Capital [Member] Restricted Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Stock Options other than restricted stock [Member]	Restricted Stock [Member]	Total
Balance, December 31, 2012 (Audited) at Dec. 31, 2012	$ 500,000	$ 1,517,000	$ 446,000			$ 47,409,000	$ (43,445,000)			$ 6,427,000	[1]
Balance, December 31, 2012 (Audited) (in Shares) at Dec. 31, 2012	50	1,550	42,705,032
Stock based compensation expense				103,000	9,000			103,000	9,000	112,000
Stock warrants exercised			5,000			231,000				236,000
Stock warrants exercised (in Shares)			427,713
Stock options exercised			1,000			127,000				128,000
Stock options exercised (in Shares)			118,670							118,670
Costs related to stock issuance						(53,000)				(53,000)
Net loss							(660,000)			(660,000)
Balance, June 30, 2013 (Unaudited) at Jun. 30, 2013	$ 500,000	$ 1,517,000	$ 452,000			$ 47,826,000	$ (44,105,000)			$ 6,190,000
Balance, June 30, 2013 (Unaudited) (in Shares) at Jun. 30, 2013	50	1,550	43,251,415

[1] Derived from the audited December 31, 2012 financial statements