Consolidated Statements of Changes in Shareholders' Equity (USD $)	Total	Common Stock [Member]	Additional Paid-In Capital	Accumulated Deficit
Beginning Balance at Dec. 31, 2011	$ 6,791,042	$ 11,106	$ 124,897,309	$ (118,117,373)
Beginning Balance, (Shares) at Dec. 31, 2011		11,105,532
Issuance of restricted common stock to employee	10,000	17	9,983
Issuance of restricted common stock to employee, (Shares)		16,667
Issuance of common stock to vendor	3,000	10	2,990
Issuance of common stock to vendor, (Shares)		10,345
Stock-based compensation expense	235,002		235,002
Net loss	(2,418,633)			(2,418,633)
Balance at Jun. 30, 2012	$ 4,620,411	$ 11,133	$ 125,145,284	$ (120,536,006)
Balance, (Shares) at Jun. 30, 2012		11,132,544