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Short Term Investments - other (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Short Term Investments - other |
Schedule of other short term investments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31,
​ | ​ | 2023 |  | 2022
​ | ​ | ​ | ​ | ​ | ​ | ​
Treasury bills | ​ | $ | - | ​ | $ | 494
Certificates of deposit | ​ |  | 14 | ​ |  | 13
​ | ​ | ​ | ​ | ​ | ​ | ​
Total | ​ | $ | 14 | ​ | $ | 507
​

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- References No definition available. + Details
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