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PRINCIPAL BUSINESS ACTIVITY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2024
PRINCIPAL BUSINESS ACTIVITY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |
Schedule of reconciliation of cash and cash equivalents and restricted cash | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31,
​ | ​ | ​ | 2024 |  | ​ | 2023
Cash and cash equivalents | ​ | $ | 3,279,926 | ​ | $ | 14,131,137
Restricted cash, current | ​ | ​ | 5,000,000 | ​ | ​ | —
Restricted cash | ​ |  | 1,483,958 | ​ |  | 1,483,958
Total cash, cash equivalents and restricted cash* | ​ | $ | 9,763,884 | ​ | $ | 15,615,095
* See Note 1 – Basis of Presentation for further discussion regarding restricted cash.
Schedule of calculation of net loss per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Years Ended December 31,
​ | ​ | 2024 |  | 2023
Basic and Diluted: | ​ | ​ | ​ | As Restated*
Numerator: |  | ​ |  |  | ​ |
Net loss attributable to common stockholders per consolidated statements of operations | ​ | $ | (20,718,957) | ​ | $ | (29,246,760)
Denominator: | ​ |  |  | ​ |  |
Weighted average common shares outstanding used to compute basic and diluted loss per share | ​ |  | 54,434,609 | ​ |  | 44,656,391
​ | ​ | ​ | ​ | ​ | ​ | ​
Net loss per common share attributable to common stockholders, basic and diluted | ​ | $ | (0.38) | ​ | $ | (0.65)
* See Note 12 – Restatement of Previously Issued financial information for details.
Schedule of antidilutive securities excluded from computation of earnings per share | ​
​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31,
​ |  | 2024 |  | 2023
Stock options outstanding |  | 12,341,914 |  | 10,548,174
Warrants for common stock |  | 4,352,130 |  | 2,706,561
RSUs* |  | 3,450,836 |  | 3,254,005
*Total number of RSUs include 2,809,500 units with a Change in Control-Based performance condition.
Schedule of grant income and related expenses | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2024 |  | 2023
Grant income | ​ | $ | 3,610,759 | ​ | $ | 5,264,426
Grant income-related expenses | ​ | $ | (3,583,233) | ​ | $ | (5,129,952)
Schedule of previously reported consolidated statements of cash flows | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | As Previously Reported |  | Adjustments |  | As Reclassified*
Non-cash compensation | ​ | $ | 371,397 | ​ | $ | (371,397) | ​ | $ | —
Stock-based compensation | ​ | $ | 3,329,307 | ​ | $ | 371,397 | ​ | $ | 3,700,704
* See Note 12 – Restatement to Previously Issued Financial Information for further adjustments to these line items. * These reclassification adjustments reflected in these consolidated cash flows statements line items also reflect the restatement adjustments applicable to the statements of changes to stockholders’ equity.

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