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FINANCIAL INSTRUMENTS (Tables) | 12 Months Ended
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Dec. 31, 2023
FINANCIAL INSTRUMENTS |
Schedule of company's financial instruments at fair value hierarchy | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Level 1 | ​ | Level 2 | ​ | Level 3 | ​ | Total
​ | ​ | ​ | ​ | $ |  | $ |  | $ |  | $
Recurring measurements |  | Carrying amount |  | Fair value
Investments |  | 3,596,592 | ​ | 3,408,092 |  | 188,500 |  | — |  | 3,596,592
Secured notes | ​ | 2,454,300 | ​ | — | ​ | 2,454,300 | ​ | — | ​ | 2,454,300
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Level 1 | ​ | Level 2 | ​ | Level 3 | ​ | Total
​ | ​ | ​ | ​ | $ |  | $ |  | $ |  | $
Recurring measurements | ​ | Carrying amount | ​ | Fair value
Investments |  | 7,501,155 |  | 7,474,287 | ​ | 26,868 | ​ | — | ​ | 7,501,155
Schedule of changes in fair value measurements of financial instruments classified as Level 3 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Balance at | ​ | ​ | ​ | Net Unrealized | ​ | Balance at
​ | ​ | January 1 | ​ | Additions | ​ | Gains/(Losses) | ​ | December 31
​ |  | $ |  | $ |  | $ |  | $
2023 | ​ | — | ​ | — | ​ | — | ​ | —
2022 | ​ | 500,000 | ​ | — | ​ | (500,000) | ​ | —

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