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STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2024
STOCK-BASED COMPENSATION |
Schedule of stock options activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | Weighted | ​ | Average
​ | ​ | ​ | ​ | Average | ​ | Remaining
​ | ​ | ​ | ​ | Exercise | ​ | Contractual
​ |  | Shares |  | per Share |  | Life (Years)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Outstanding, December 31, 2022 |  | 9,474,824 | ​ | $ | 4.66 |  | 7.36
Granted |  | 2,601,880 | ​ | $ | 3.43 |  | 9.52
Forfeited |  | (974,555) | ​ | $ | 2.96 |  | —
Expired |  | (467,332) | ​ | $ | 5.61 |  | —
Exercised |  | (86,643) | ​ | $ | 2.59 |  | —
Outstanding, December 31, 2023 |  | 10,548,174 | ​ | $ | 4.49 | ​ | 7.01
Granted |  | 3,982,846 | ​ | $ | 0.97 |  | 9.32
Forfeited |  | (1,391,897) | ​ | $ | 2.24 |  | —
Expired |  | (797,209) | ​ | $ | 5.34 |  | —
Outstanding, December 31, 2024 |  | 12,341,914 | ​ | $ | 3.55 |  | 6.81
Schedule of fair value of each stock option estimated using the Black-Scholes pricing model | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Grant Date | ​ | Expected Life | ​ | Expected | ​ | ​ | ​ | ​ | ​ | Risk Free |
​ | ​ | Exercise Price | ​ | of the Stock | ​ | Volatility | ​ | ​ | Expected | ​ | ​ | Interest Rate |
Year - Ended |  | Range |  | Option* |  | Range | ​ |  | Dividends | ​ |  | Range |
December 31, 2023 | ​ | $ | 1.17 - $3.71 per share | ​ | 6 years | ​ | 70.4% to 75.6 | % | ​ | — | % | ​ | 3.50% to 4.76 | %
December 31, 2024 | ​ | $ | 0.84 - $1.19 per share | ​ | 6 years | ​ | 75.6% to 80.1 | % | ​ | — | % | ​ | 3.60% to 4.65 | %
​ *The expected term of the options granted is derived using the “simplified method” which computes expected term as the average of the sum of the vesting term plus the contract term.
Schedule of intrinsic value | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Options Outstanding
​ | ​ | Number | ​ | Weighted | ​ | Weighted | ​ | ​ | ​
Range of | ​ | Outstanding at | ​ | Average | ​ | Average | ​ | Aggregate
Exercise | ​ | December 31, | ​ | Exercise | ​ | Remaining | ​ | Intrinsic
Price |  | 2024 |  | Price |  | Life (Years) |  | Value
$0.84 - $13.20 |  | 12,341,914 | ​ | $ | 3.55 | ​ | 6.81 | ​ | $ | 1,000
​
​ | ​ | ​ | ​ | ​ | ​ | ​
Options Exercisable
Number | ​ | Weighted | ​ |  | ​
Exercisable at | ​ | Average | ​ | Aggregate
December 31, | ​ | Exercise | ​ | Intrinsic
2024 |  | Price |  | Value
6,107,366 | ​ | $ | 5.46 | ​ | $ | —
Schedule of company's non-vested options | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | Average
​ | ​ | ​ | ​ | Grant Date
​ |  | Shares |  | Fair Value
​ | ​ | ​ | ​ | ​ | ​
Non-vested, January 1, 2024 |  | 5,205,736 | ​ | $ | 1.89
Granted |  | 3,982,846 | ​ | ​ | 0.68
Forfeited |  | (1,391,897) | ​ | ​ | 1.52
Vested |  | (1,562,137) | ​ | ​ | 2.26
Non-vested, December 31, 2024 |  | 6,234,550 | ​ | $ | 1.09
​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | Average
​ | ​ | ​ | ​ | Grant Date
​ |  | Shares |  | Fair Value
​ | ​ | ​ | ​ | ​ | ​
Non-vested, January 1, 2023 |  | 4,851,739 | ​ | $ | 1.84
Granted |  | 2,601,880 | ​ |  | 2.35
Forfeited |  | (974,555) | ​ |  | 1.95
Vested |  | (1,273,328) | ​ |  | 2.59
Non-vested, December 31, 2023 |  | 5,205,736 | ​ | $ | 1.89
Schedule of outstanding balance of restricted stock units | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | Total |  | Intrinsic Value
December 31, 2022 |  | 2,890,500 | ​ | $ | 4,480,275
Granted 2023 | ​ | 394,000 | ​ | ​ | —
Forfeited 2023 | ​ | (461,000) | ​ | ​ | —
December 31, 2023 | ​ | 2,823,500 | ​ | $ | 3,134,085
Granted 2024 |  | 331,250 | ​ |  | —
Forfeited 2024 |  | (345,250) | ​ |  | —
December 31, 2024 |  | 2,809,500 | ​ | $ | 2,556,645
Schedule of the restricted stock unit activity | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | Average
​ | ​ | ​ | ​ | Grant Date
​ |  | Shares |  | Fair Value
Non-vested, January 1, 2024 |  | 430,505 | ​ | $ | 3.31
Granted |  | 548,000 | ​ | $ | 0.96
Forfeited |  | (40,000) | ​ | $ | 3.73
Vested |  | (297,169) | ​ | $ | 3.23
Non-vested, December 31, 2024 |  | 641,336 | ​ | $ | 1.31
​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | Average
​ | ​ | ​ | ​ | Grant Date
​ |  | Shares |  | Fair Value
Non-vested, January 1, 2023 |  | 312,092 | ​ | $ | 4.42
Granted | ​ | 385,000 | ​ | $ | 3.23
Forfeited |  | (62,500) | ​ | $ | 3.57
Vested | ​ | (204,087) | ​ | $ | 4.79
Non-vested, December 31, 2023 | ​ | 430,505 | ​ | $ | 3.31

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