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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2025
Income Taxes |
Schedule of pre tax earnings | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31, | ​ | December 31,
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024 | ​ ​ ​ | 2023
Pre-Tax Income (Loss) |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
U.S. | ​ | $ | (31,501,564) | ​ | $ | (72,864,232) | ​ | $ | (49,035,562)
Outside the U.S. | ​ |  | (771,564) | ​ |  | (673,925) | ​ |  | (1,113,515)
Total Pre-Tax Income (Loss) | ​ | $ | (32,273,128) | ​ | $ | (73,538,157) | ​ | $ | (50,149,077)
Schedule of components of income tax expense (benefit) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024 | ​ ​ ​ | 2023
U.S. Income Taxes: |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Current Provision | ​ | $ | — | ​ | $ | — | ​ | $ | —
Deferred Provision | ​ |  | (6,002,161) | ​ |  | (13,257,284) | ​ |  | (7,207,958)
Valuation Allowance | ​ |  | 6,002,161 | ​ |  | 13,257,284 | ​ |  | 7,207,958
Income Taxes Outside the U.S.: | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
Current Provision | ​ |  | — | ​ |  | — | ​ |  | —
Deferred Provision | ​ |  | (306,745) | ​ |  | (82,211) | ​ |  | 297,343
Valuation Allowance | ​ |  | 306,745 | ​ |  | 82,211 | ​ |  | (297,343)
State Income Taxes: | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
Current Provision | ​ |  | — | ​ |  | — | ​ |  | —
Deferred Provision | ​ |  | (417,044) | ​ |  | (552,573) | ​ |  | (634,503)
Valuation Allowance | ​ |  | 417,044 | ​ |  | 552,573 | ​ |  | 634,503
Total Provision | ​ | $ | — | ​ | $ | — | ​ | $ | —
Schedule of effective income tax rate reconciliation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | ​ | 2025 | ​ ​ ​ | ​ | 2024 | ​ ​ ​ | ​ | 2023
​ | ​ ​ ​ | ​ | Amount | % | ​ | ​ | Amount | % | ​ | ​ | Amount | %
U.S. Federal statutory tax rate |  | $ | (6,777,357) | 21.0 |  | $ | (15,443,013) | 21.0 |  | $ | (10,531,306) | 21.0
State and local income taxes, net of federal |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
income tax effect |  | ​ | — | 0.0 |  | ​ | — | 0.0 |  | ​ | — | 0.0
Foreign tax effects: |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Germany | ​ | ​ | 17,506 | (0.1) | ​ | ​ | (17,414) | 0.0 | ​ | ​ | 241,597 | (0.5)
Japan: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
NOL expiration |  | ​ | — | 0.0 |  | ​ | — | ​ |  | ​ | 1,053,211 | (2.1)
Change in valuation allowance |  | ​ | 234,992 | (0.7) |  | ​ | 175,589 | (0.2) |  | ​ | (676,708) | 1.3
Other |  | ​ | (90,469) | 0.3 |  | ​ | (16,651) | 0.0 |  | ​ | (384,262) | 0.8
Effect of changes in tax laws or rates enacted in |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
the current period |  | ​ | — | 0.0 |  | ​ | — | 0.0 |  | ​ | — | 0.0
Effect of cross-border tax laws |  | ​ | — | 0.0 |  | ​ | — | 0.0 |  | ​ | 265,769 | (0.5)
Tax credits | ​ | ​ | (209,472) | 0.6 | ​ | ​ | — | 0.0 | ​ | ​ | (36,666) | 0.1
Changes in valuation allowance |  | ​ | 6,002,161 | (18.6) |  | ​ | 13,257,284 | (18.0) |  | ​ | 7,207,958 | (14.4)
Nontaxable or nondeductible items: |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Incentive stock options | ​ | ​ | 280,906 | (0.9) | ​ | ​ | 700,490 | (1.0) | ​ | ​ | 595,925 | (1.2)
Stock-based compensation (windfalls) shortfalls | ​ | ​ | (190,318) | 0.6 | ​ | ​ | 103,096 | (0.1) | ​ | ​ | 109,839 | (0.2)
Other | ​ | ​ | 8,694 | 0.0 | ​ | ​ | 7,106 | 0.0 | ​ | ​ | 349,123 | (0.7)
Changes in unrecognized tax benefits | ​ | ​ | — | 0.0 | ​ | ​ | — | 0.0 | ​ | ​ | — | 0.0
Other adjustments: |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Stock-based compensation adjustments for: |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Executive compensation limitation |  | ​ | (166,112) | 0.5 |  | ​ | 1,048,277 | (1.4) |  | ​ | 1,730,628 | (3.5)
Expirations, forfeitures, and cancellations |  | ​ | 693,946 | (2.2) |  | ​ | 113,056 | (0.2) |  | ​ | 21,098 | 0.0
Other |  | ​ | 195,522 | (0.5) |  | ​ | 72,180 | (0.1) |  | ​ | 53,793 | (0.1)
Net Effective Tax Rate |  | $ | — | 0.0 |  | $ | — | 0.0 |  | $ | — | 0.0
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
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​
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Schedule of deferred tax assets and liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31, | ​ | December 31,
​ | ​ ​ ​ | 2025 | ​ ​ ​ | 2024 | ​ ​ ​ | 2023
Deferred Tax Assets: |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Net Operating Loss Carryforwards | ​ | $ | 54,622,812 | ​ | $ | 48,639,974 | ​ | $ | 42,538,219
Tax Credit Carryforwards | ​ |  | 4,462,038 | ​ |  | 4,186,788 | ​ |  | 4,191,198
Inventory Valuation Adjustment | ​ |  | 1,367,276 | ​ |  | 1,839,907 | ​ |  | 1,316,114
Stock-based Compensation | ​ |  | 1,244,391 | ​ |  | 1,476,671 | ​ |  | 1,098,240
Lease Obligation Liability | ​ |  | 221,167 | ​ |  | 107,546 | ​ |  | 65,628
Capitalized R&D | ​ |  | 6,287,828 | ​ |  | 4,972,383 | ​ |  | 4,172,773
Intangible Assets | ​ | ​ | 5,428,929 | ​ | ​ | 5,740,760 | ​ | ​ | 510,539
Investment in Atomistic | ​ |  | 1,315,459 | ​ |  | 1,298,158 | ​ |  | —
Other | ​ |  | 343,898 | ​ |  | 192,038 | ​ |  | 627,529
Total Deferred Tax Assets | ​ |  | 75,293,798 | ​ |  | 68,454,225 | ​ |  | 54,520,240
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred Tax Liabilities: | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Lease Right of Use Asset | ​ | ​ | 221,167 | ​ | ​ | 107,546 | ​ | ​ | 65,628
Total Deferred Tax Liabilities | ​ |  | 221,167 | ​ |  | 107,546 | ​ |  | 65,628
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net Deferred Tax Assets Before Valuation Allowance | ​ | ​ | 75,072,631 | ​ | ​ | 68,346,679 | ​ | ​ | 54,454,612
Valuation Allowance | ​ |  | (75,072,631) | ​ |  | (68,346,679) | ​ |  | (54,454,612)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net Deferred Tax Assets | ​ | $ | — | ​ | $ | — | ​ | $ | —

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