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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2)	3 Months Ended
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2)	Mar. 31, 2014	Mar. 31, 2013
Net loss per common share
Total shares excluded from calculation	2,527,253	2,807,092
Stock options
Net loss per common share
Total shares excluded from calculation	947,602	463,023
Restricted Stock Units
Net loss per common share
Total shares excluded from calculation	119,248	124,474
Convertible preferred stock
Net loss per common share
Total shares excluded from calculation	20,381	25,573
Contingently issuable common stock and common stock warrants associated with Economic Rights
Net loss per common share
Total shares excluded from calculation		220,595
Common stock warrants
Net loss per common share
Total shares excluded from calculation	1,440,022	197,327

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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