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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2021
Income Taxes |
Schedule of federal statutory rate to the net loss and the effective income tax rate | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | 2021 |  | 2020 |
Statutory federal income tax rate |  | 21.0 | % | 21.0 | %
State tax, net of federal benefit |  | 5.5 | % | 6.3 | %
Permanent differences |  | (0.6) | % | (1.5) | %
Federal research and development credits |  | 5.6 | % | 4.5 | %
State research and development credits |  | 0.4 | % | 0.6 | %
Uncertain tax positions | ​ | (0.6) | % | (1.0) | %
Other differences |  | 0.7 | % | (2.6) | %
Change in valuation allowance |  | (31.1) | % | (27.3) | %
Effective income tax rate |  | 0.9 | % | 0.0 | %
Schedule of net deferred tax assets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2021 |  | 2020
Deferred tax assets: |  | ​ |  |  | ​ |
Stock-based compensation expense | ​ | $ | 373,602 | ​ | $ | 73,984
Unrealized losses | ​ | ​ | 12,990 | ​ | ​ | —
R&D credit carryforward | ​ |  | 3,346,097 | ​ |  | 1,574,596
NOL carryforward | ​ |  | 14,699,524 | ​ |  | 5,525,123
Gross deferred tax assets | ​ |  | 18,432,213 | ​ |  | 7,173,703
Valuation allowance | ​ | ​ | (17,677,899) | ​ |  | (7,127,448)
Net deferred tax assets | ​ |  | 754,314 | ​ |  | 46,255
Net deferred tax liabilities: | ​ |  |  | ​ |  |
Prepaid expenses deducted for tax | ​ |  | (425,755) | ​ |  | (28,671)
Tax depreciation in excess of book | ​ |  | (328,559) | ​ |  | (17,584)
Total deferred tax liabilities | ​ |  | (754,314) | ​ |  | (46,255)
Net deferred taxes | ​ | $ | — | ​ | $ | —
Schedule of unrecognized tax benefits | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2021 | ​ | 2020
Beginning balance | ​ | $ | 174,950 | ​ | $ | 96,952
Increase due to current year tax position | ​ | ​ | 205,952 | ​ | ​ | 77,998
Ending balance | ​ | $ | 380,902 | ​ | $ | 174,950

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