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STOCK AWARDS, WARRANTS AND OPTIONS (Tables) | 6 Months Ended
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Jun. 30, 2024
Warrant [Member] |
Summary of warrant activity | The following table summarizes all warrant activity for the six months ended June 30, 2024: ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted Average
​ |  | Warrants |  | Exercise Price
Outstanding at December 31, 2023 |  | 5,041,403 | ​ | $ | 5.61
Granted | ​ | — | ​ | ​ | —
Exercised | ​ | — | ​ | ​ | —
Outstanding at June 30, 2024 |  | 5,041,403 | ​ | $ | 5.61
​
Schedule of outstanding warrants | The following table summarizes all outstanding warrants to purchase shares of the Company’s common stock: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Warrants Outstanding | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | June 30, | ​ | December 31, | ​ | Exercise Price | ​ | Expiration
Type |  | Grant Date |  | 2024 |  | 2023 |  | per Share |  | Date
Common Warrants | ​ | 12/19/2019 | ​ | 40,782 |  | 40,782 | ​ | $ | 1.10 | ​ | 12/19/2024
Common Warrants | ​ | 3/27/2020 | ​ | 65,000 |  | 65,000 | ​ | $ | 1.5313 | ​ | 3/27/2025
Common Warrants | ​ | 10/3/2023 | ​ | 4,935,621 | ​ | 4,935,621 | ​ | $ | 5.70 | ​ | 10/3/2030
​ | ​ | ​ | ​ | 5,041,403 | ​ | 5,041,403 | ​ | ​ | ​ | ​ | ​
Employee Stock Option [Member] |
Schedule of fair value of option using Black-Scholes option | The Company estimates the fair value of each option award using the Black-Scholes option-pricing model. The company used the following assumptions to estimate the fair value of stock options issued during the six months ended June 30, 2024 and 2023: ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | Six months ended June 30, |
​ | ​ | 2024 | ​ | 2023 | ​
Expected volatility |  | 109 - 119 | % | 115 - 121 | %
Expected term |  | 5 - 7 years |  | 5 - 7 years | ​
Dividend yield |  | 0 | % | 0 | %
Risk-free interest rates |  | 3.9 - 4.3 | % | 3.5 - 3.9 | %
Schedule of employee and non-employee stock based compensation expense | Employee and non-employee stock-based compensation expense was as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three months ended June 30, | ​ | Six months ended June 30, | ​
​ |  | 2024 |  | 2023 |  | 2024 |  | 2023 | ​
General and administrative | ​ | $ | 1,300,321 | ​ | $ | 1,168,262 | ​ | $ | 3,578,006 | ​ | $ | 2,922,485 | ​
Research and development | ​ |  | 852,472 | ​ |  | 450,450 | ​ |  | 1,840,199 | ​ |  | 891,011 | ​
Total | ​ | $ | 2,152,793 | ​ | $ | 1,618,712 | ​ | $ | 5,418,205 | ​ | $ | 3,813,496 | ​
Schedule of employee and non-employee stock option | The following is a schedule summarizing employee and non-employee stock option activity for the six months ended June 30, 2024: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Number of | ​ | Weighted Average | ​ | Aggregate
​ |  | Options |  | Exercise Price |  | Intrinsic Value
Outstanding at December 31, 2023 |  | 8,227,404 | ​ | $ | 3.46 |  | ​ | ​
Granted |  | 2,672,226 | ​ |  | 5.26 |  | ​ |
Exercised |  | (69,035) | ​ |  | 2.15 |  | $ | 207,089
Expired/Cancelled |  | (240,117) | ​ |  | 5.28 |  | ​ |
Outstanding at June 30, 2024 |  | 10,590,478 | ​ | $ | 3.88 | ​ | $ | 11,403,226
Exercisable at June 30, 2024 |  | 5,517,036 | ​ | $ | 3.22 | ​ | $ | 8,905,722

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References No definition available. + Details
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- Definition Tabular disclosure of all warrant activity during the period. + References No definition available. + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-1 + Details
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