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12. STOCK-BASED COMPENSATION (Details 1) - $ / shares
3 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Share-based Compensation [Abstract]    
Outstanding 808,500 808,500
Range of Exercise Prices, Lower Limit $ 1.44  
Range of Exercise Prices, Upper Limit $ 4.80  
Weighted Average Remaining Contractual Life (Years) 2 years 10 months 10 days