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STOCK-BASED COMPENSATION (Tables) | 3 Months Ended
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Mar. 31, 2026
STOCK-BASED COMPENSATION |
Summary of the activity of restricted stock awards | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted Average
​ | ​ | Number of | ​ | Grant Date
​ | ​ ​ ​ | RSUs | ​ | Fair Value
Outstanding at December 31, 2025 |  | — | ​ | $ | —
Granted |  | 15,000 | ​ |  | 24.81
Vested |  | — | ​ |  | —
Expired/Cancelled |  | — | ​ |  | —
Outstanding at March 31, 2026 |  | 15,000 | ​ | $ | 24.81
​
Warrant |
STOCK-BASED COMPENSATION |
Schedule of warrant activity | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted Average
​ | ​ ​ ​ | Warrants | ​ ​ ​ | Exercise Price
Outstanding at December 31, 2025 |  | 3,345,922 | ​ | $ | 5.70
Granted | ​ | — | ​ | ​ | —
Exercised | ​ | — | ​ | ​ | —
Outstanding at March 31, 2026 |  | 3,345,922 | ​ | $ | 5.70
Employee Stock Option |
STOCK-BASED COMPENSATION |
Schedule of fair value of option using Black-Scholes option | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | Three months ended March 31, |
​ | ​ | 2026 | ​ | 2025 | ​
Expected volatility |  | 127 - 197 | % | 112 - 114 | %
Expected term |  | 1 - 6 years |  | 5 - 6 years | ​
Dividend yield |  | 0 | % | 0 | %
Risk-free interest rates |  | 3.5 - 4.1 | % | 4.3 - 4.5 | %
Schedule of employee and non-employee stock based compensation expense | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | Three months ended March 31,
​ | ​ ​ ​ | 2026 | ​ | 2025
General and administrative | ​ | $ | 2,791,874 | ​ | $ | 3,000,814
Research and development | ​ |  | 3,126,181 | ​ |  | 2,738,585
Total | ​ | $ | 5,918,055 | ​ | $ | 5,739,399
Schedule of employee and non-employee stock option | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Number of | ​ | Weighted Average | ​ | Aggregate
​ | ​ ​ ​ | Options | ​ ​ ​ | Exercise Price | ​ ​ ​ | Intrinsic Value
Outstanding at December 31, 2025 |  | 12,313,107 | ​ | $ | 6.27 |  | ​ | ​
Granted |  | 1,979,850 | ​ |  | 25.16 |  | ​ | ​
Exercised |  | (293,764) | ​ |  | 5.01 |  | $ | 7,387,731
Expired/Cancelled |  | (95,378) | ​ |  | 18.72 |  | ​ | ​
Outstanding at March 31, 2026 |  | 13,903,815 | ​ | $ | 8.90 | ​ | $ | 298,944,484
Exercisable at March 31, 2026 |  | 8,628,154 | ​ | $ | 4.90 | ​ | $ | 219,997,259

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