Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details 1)

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STOCK-BASED COMPENSATION (Details 1) - 2015 Stock Option Plan [Member] - Time Based Shares Options [Member] - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Outstanding at beginning 2,922,494 3,647,000
Granted 1,250,000
Exercised 1,000,000 175,000
Forfeited
Outstanding at ending 3,172,494 3,472,000
Options exercisable at ending 803,119 1,306,635
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]    
Outstanding at beginning $ 2.46 $ 1.32
Granted 3.94
Exercised 1.23 0.49
Forfeited
Outstanding at ending 3.43 1.36
Options exercisable at ending 2.09 1.05
Weighted average fair value of options granted during the period $ 3.06 $ 0.00
Stock-based compensation expense $ 1,086,681 $ 175,239