CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]
BALANCE at Dec. 31, 2012	$ 17,678,435	$ 27,724	$ 100,882,019	$ (83,231,308)
BALANCE (in shares) at Dec. 31, 2012		27,724,267
Stock option compensation	15,358	0	15,358	0
Stock option compensation (in shares)		0
Stock option exercises	70,472	153	70,319	0
Stock option exercises (in shares)	153,200	153,200
Issuance of common stock	12,600	20	12,580	0
Issuance of common stock (in shares)		20,000
Net loss	(1,823,807)	0	0	(1,823,807)
BALANCE at Sep. 30, 2013	$ 15,953,058	$ 27,897	$ 100,980,276	$ (85,055,115)
BALANCE (in shares) at Sep. 30, 2013		27,897,467