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13. STOCK-BASED COMPENSATION (Details)
 9 Months Ended
Sep. 30, 2015
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Option and Warrants Outstanding, Beginning balance 2,744,000
Number of Option and Warrants Granted and Vested 612,500
Number of Option and Warrants exercised in period (182,500)
Number of Option and Warrants Expired (817,500)
Number of Option and Warrants Outstanding, Ending Balance 2,356,500
Weighted- Average Exercise price of Option and Warrants, Beginning balance | $ / shares $ 2.38
Weighted- Average Exercise price of Option and Warrants, Granted and vested during the period | $ / shares 1.47
Weighted- Average Exercise price of Option and Warrants, Exercised during the period | $ / shares 1.12
Weighted- Average Exercise price of Option and Warrants, Expired | $ / shares 4.86
Weighted- Average Exercise price of Option and Warrants, Ending Balance | $ / shares $ 1.38
Minimum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Price per Common Share, Beginning Balance 0.95
Range of Exercise Price per Common Share, Granted and Vested 1.43
Range of Exercise Price per Common Share, Exercised 0.95
Range of Exercise Price per Common Share, Expired 2.06
Range of Exercise Price per Common Share, Ending Balance 0.95
Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Price per Common Share, Beginning Balance 12.60
Range of Exercise Price per Common Share, Granted and Vested 2.55
Range of Exercise Price per Common Share, Exercised 1.66
Range of Exercise Price per Common Share, Expired 4.97
Range of Exercise Price per Common Share, Ending Balance 12.60