v3.19.2

Credit Facility (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2019
Credit Facility |
Schedule of principal payments due under Term Loan |
​ | ​ | ​ | ​
​ |  | Principal Payments
July 1, 2019―December 31, 2019 | ​ | $ | 389
January 1, 2020―December 31, 2020 | ​ |  | 778
January 1, 2021―December 31, 2021 | ​ |  | 778
January 1, 2022―December 31, 2022 | ​ |  | 778
January 1, 2023―December 31, 2023 | ​ |  | 388
​ | ​ | $ | 3,111
Schedule of amortization expense for debt issuance costs | ​
​ | ​ | ​ | ​
​ |  | Amortization Expense
July 1, 2019―December 31, 2019 | ​ | $ | 229
January 1, 2020―December 31, 2020 |  | ​ | 457
January 1, 2021―December 31, 2021 |  | ​ | 457
January 1, 2022―December 31, 2022 |  | ​ | 457
January 1, 2023―December 31, 2023 |  | ​ | 120
​ | ​ | $ | 1,720
​

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