v3.20.4

Credit Facility (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Credit Facility. |
Schedule of principal payments due under Term Loan | ​
​ | ​ | ​ | ​
​ | ​ | Principal
Year |  | Payments
2021 | ​ | $ | 778
2022 | ​ |  | 778
2023 | ​ |  | 388
​ | ​ | $ | 1,944
Schedule of amortization expense for debt issuance costs | ​
​ | ​ | ​ | ​
​ | ​ | Amortization
Year |  | Expense
2021 | ​ | $ | 457
2022 |  | ​ | 457
2023 |  | ​ | 120
​ | ​ | $ | 1,034

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