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5 - SHARE BASED COMPENSATION (Details) - Schedule of Share-based Compensation, Stock Options, Activity - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Schedule of Share-based Compensation, Stock Options, Activity [Abstract]    
Options Outstanding, Number of Shares   453,000
Options Outstanding, Weighted Average Exercise Price   $ 1.35
Options Outstanding, Weighted Average Years Remaining Contractual Term 5 years 255 days 5 years
Options Outstanding, Aggregate Intrinsic Value   $ 182,400
Options Exercisable, Number of Shares 114,000  
Options Exercisable, Weighted Average Exercise Price $ 1.05  
Options Exercisable, Weighted Average Years Remaining Contractual Term 3 years 6 months  
Options Exercisable, Aggregate Intrinsic Value $ 234,000  
Options Exercised, Number of Shares (123,000)  
Options Exercised, Weighted Average Exercise Price $ 1.03  
Forfeited, Number of Shares (1,000)  
Forfeited, Weighted Average Exercise Price $ 0.84  
Options Outstanding, Number of Shares 329,000  
Options Outstanding, Weighted Average Exercise Price $ 1.47  
Options Outstanding, Aggregate Intrinsic Value $ 535,500