SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Earnings per share
Stock options excluded from calculation of diluted EPS	1,774,520	1,305,847
Net loss	$ (2,354,605)us-gaap_NetIncomeLoss	$ (6,213,852)us-gaap_NetIncomeLoss	$ (4,132,892)us-gaap_NetIncomeLoss
Preferred dividend requirements	(915,225)	(916,065)	(918,108)
Loss applicable to common shareholders	$ (3,269,830)	$ (7,129,917)	$ (5,051,000)
Average common shares outstanding	27,375,450	26,999,698	26,219,728
Average common and common equivalent shares outstanding - assuming dilution	27,375,450	26,999,698	26,219,728
Basic loss per share (in dollars per share)	$ (0.12)us-gaap_EarningsPerShareBasic	$ (0.26)us-gaap_EarningsPerShareBasic	$ (0.19)us-gaap_EarningsPerShareBasic
Diluted loss per share (in dollars per share)	$ (0.12)us-gaap_EarningsPerShareDiluted	$ (0.26)us-gaap_EarningsPerShareDiluted	$ (0.19)us-gaap_EarningsPerShareDiluted

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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