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Accrued and Other Current Liabilities (Tables) | 9 Months Ended
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Sep. 30, 2022
Accrued and Other Current Liabilities |
Schedule of components of Accrued and other current liabilities | Accrued and other current liabilities consisted of the following (amounts in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2022 |  | December 31, 2021
Deferred annual fee | ​ | $ | 1,209 | ​ | $ | 546
Due to sellers | ​ | ​ | 1,413 | ​ | ​ | 1,400
Accrued compensation | ​ | ​ | 1,053 | ​ | ​ | 1,033
Other accrued liabilities | ​ |  | 1,507 | ​ |  | 1,512
Total accrued and other current liabilities | ​ | $ | 5,182 | ​ | $ | 4,491

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