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STOCK OPTIONS, RESTRICTED STOCK AND WARRANTS (Details 4)
9 Months Ended
Sep. 30, 2023
USD ($)
$ / shares
shares
Equity [Abstract]  
Number of warrants outstanding, beginning balance | shares 5,103,455
Weighted average exercise price, beginning balance | $ / shares $ 4.34
Number of warrants outstanding, granted | shares
Weighted average exercise price, granted | $ / shares
Number of warrants outstanding, expired | shares (474,869)
Weighted average exercise price, expired | $ / shares $ 6.34
Number of warrants outstanding, ending Balance | shares 4,628,586
Weighted average exercise price, ending balance | $ / shares $ 4.13
Weighted average remaining contractual terms 2 years 6 months
Number of warrants outstanding, exercisable | shares 4,628,586
Weighted average exercise price, exercisable | $ / shares $ 4.13
Weighted average remaining contractual terms, exercisable 2 years 6 months
Aggregate intrinsic value, exercisable | $ [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 $1.17 for our common stock on September 30, 2023.