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STOCK OPTIONS, RESTRICTED STOCK AND WARRANTS (Details 2)
3 Months Ended
Mar. 31, 2021
USD ($)
$ / shares
shares
Number of Shares  
Balance at beginning | shares 3,779,243
Granted | shares
Balance at ending | shares 3,779,243
Exercisable at ending | shares 3,779,243
Weighted Average Exercise Price  
Balance at beginning | $ / shares $ 5.89
Granted | $ / shares
Balance at ending | $ / shares 5.89
Exercisable at ending | $ / shares $ 5.89
Weighted - Average Remaining Contractual Term  
Balance at ending 3 years 9 months 18 days
Exercisable at ending 3 years 9 months 18 days
Aggregate Intrinsic Value:  
Exercisable at ending | $ [1]
[1] The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying warrants and the closing stock price of $4.12 for our common stock on March 31, 2021.