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Investments (Tables) | 12 Months Ended
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Dec. 31, 2023
Investments |
Schedule of Investments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2023 | ​ | December 31, 2022
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​ | ​ | ​ | ​ |  | Gross |  | Gross |  | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | ​ | ​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | ​ | ​
​ | ​ | Cost | ​ | Gains | ​ | (Losses) | ​ | Fair Value | ​ | Cost | ​ | Gains | ​ | (Losses) | ​ | Fair Value
Investments - debt securities: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  | ​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
U.S. Treasury Bills | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 40,820 | ​ | $ | — | ​ | $ | (244) | ​ | $ | 40,576
​
Schedule of Unrealized Loss Position and Related Fair Value of Investments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2023 | ​ | December 31, 2022
​ | ​ | Less Than 12 Months | ​ | 12 Months or Greater | ​ | Less Than 12 Months | ​ | 12 Months or Greater
​ | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​ | ​ | Unrealized
​ |  | Fair Value |  | Losses |  | Fair Value |  | Losses |  | Fair Value |  | Losses |  | Fair Value |  | Losses
Investments - debt securities: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
U.S. Treasury Bills | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 37,578 | ​ | $ | 244 | ​ | $ | — | ​ | $ | —

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