CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]
BALANCE at Dec. 31, 2012	$ 17,678,434	$ 3,465	$ 100,906,277	$ (83,231,308)
BALANCE (in shares) at Dec. 31, 2012		3,464,907
Stock based compensation expense (employees and directors)	19,053	0	19,053	0
Stock based compensation expense (employees and directors) (in shares)		0
Exercise of stock options	70,472	19	70,453	0
Exercise of stock options (in shares)		19,150
Issuance of common stock	12,601	3	12,598	0
Issuance of common stock (in shares)		2,500
Net loss	(2,424,256)	0	0	(2,424,256)
BALANCE at Dec. 31, 2013	15,356,304	3,487	101,008,381	(85,655,564)
BALANCE (in shares) at Dec. 31, 2013		3,486,557
Stock based compensation expense (employees and directors)	188,640	2	188,638	0
Stock based compensation expense (employees and directors) (in shares)		2,544
Issuance of common stock	5,247,323	1,445	5,245,878	0
Issuance of common stock (in shares)		1,445,500
Net loss	(7,644,230)	0	0	(7,644,230)
BALANCE at Dec. 31, 2014	$ 13,148,037	$ 4,934	$ 106,442,897	$ (93,299,794)
BALANCE (in shares) at Dec. 31, 2014		4,934,601