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Debt (Tables) | 12 Months Ended
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Dec. 31, 2022
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) | ​ | 2022
2023 |  | $ | —
2024 | ​ |  | —
2025 | ​ |  | —
2026 | ​ |  | —
2027 | ​ | ​ | 5,000
2028 | ​ | ​ | 2,500
​ | ​ |  | 7,500
Less: Unamortized debt costs and discounts | ​ |  | (753)
Long-term debt | ​ | $ | 6,747

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601 + Details
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