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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Earnings per share
Stock options excluded from calculation of diluted EPS		1,774,520	1,305,847
Net income (loss)	$ 4,314,318	$ (2,354,605)	$ (6,213,852)
Preferred dividend requirements	(709,351)	(915,225)	(916,065)
Deemed capital contribution on extinguishment of preferred stock	2,305,678
Income (loss) applicable to common shareholders	$ 5,910,645	$ (3,269,830)	$ (7,129,917)
Average common shares outstanding	27,822,593	27,375,450	26,999,698
Average common and common equivalent shares outstanding - assuming dilution	29,481,294	27,375,450	26,999,698
Basic earnings (loss) per share (in dollars per share)	$ 0.21	$ (0.12)	$ (0.26)
Diluted earnings (loss) per share (in dollars per share)	$ 0.20	$ (0.12)	$ (0.26)

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