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Debt (Tables) | 12 Months Ended
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Dec. 31, 2023
Debt [Abstract] |
Schedule of Annual Principal Maturities of Debt | The annual principal maturities of debt under the Loan Agreement are as follows: ​
​ | ​ | ​ | ​
​ |  | December 31,
(in thousands) | ​ | 2023
2024 |  | $ | —
2025 | ​ |  | —
2026 | ​ |  | —
2027 | ​ |  | —
2028 | ​ | ​ | 20,000
2029 | ​ | ​ | 10,000
​ | ​ |  | 30,000
Less: Unamortized debt costs and discounts | ​ |  | (778)
Long-term debt | ​ | $ | 29,222
​

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- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 470 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481544/470-10-50-1 + Details
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