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Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2022
Intangible Assets |
Schedule of intangible assets, net | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2022 |  | 2021
Patents | ​ | $ | 1,263,930 | ​ | $ | 1,133,841
Other intangible assets | ​ |  | 1,391,479 | ​ |  | 1,391,479
​ | ​ |  | 2,655,409 | ​ |  | 2,525,320
Accumulated amortization - patents | ​ |  | (211,078) | ​ |  | (158,516)
Accumulated amortization – other intangible assets | ​ | ​ | (407,900) | ​ | ​ | (311,154)
​ | ​ | $ | 2,036,431 | ​ | $ | 2,055,650
​

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