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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Anti-dilutive shares excluded from earnings per share calculation 33,447,756 30,720,359 29,926,241
Warrants [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Anti-dilutive shares excluded from earnings per share calculation 12,722,431 13,927,916 14,293,499
Stock Option [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Anti-dilutive shares excluded from earnings per share calculation 20,725,325 16,792,443 15,632,742