CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Deficit) [Member]	Accumulated Other Comprehensive Income [Member]	Total
Balance at Dec. 31, 2010	$ 31,081	$ 38,422,435	$ 11,911,121	$ 0	$ 50,364,637
Balance (in shares) at Dec. 31, 2010	31,080,772
Stock issued for -
Employees	190	135,630	0	0	135,675
Employees (in shares)	45,000
Option exercise	39	(39)	0		0
Option exercised (in shares)	39,458				39,458
Offering costs	0	(162,600)	0	0	(162,600)
Options issued to directors	0	965,551	0	0	965,551
Options issued to employees	0	1,241,666	0	0	1,241,666
Other comprehensive income	0	0	0	106,371	0
Net loss	0	0	(4,335,374)	0	(4,335,374)
Balance at Dec. 31, 2011	31,165	40,602,643	7,575,747	106,371	48,315,926
Balance (in shares) at Dec. 31, 2011	31,165,230
Stock issued for -
Option exercised (in shares)					0
May 2012 offering	6,200	13,137,800	0	0	13,144,000
May 2012 offering (in shares)	6,200,000
October 2012 offering	14,815	9,985,185	0	0	10,000,000
October 2012 offering (in shares)	14,814,815
Offering costs	0	(1,785,546)	0	0	(1,785,546)
Options issued to directors	0	312,286		0	312,286
Options issued to employees	0	1,463,467	0	0	1,463,467
Restricted stock issued to employees	0	247,422	0	0	247,422
Other comprehensive income	0	0	0	(106,371)	(106,371)
Net loss	0	0	(56,757,449)	0	(56,757,449)
Balance at Dec. 31, 2012	$ 52,180	$ 63,963,257	$ (49,181,702)	$ 0	$ 14,833,735
Balance (in shares) at Dec. 31, 2012	52,180,045