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Debt (Tables) | 12 Months Ended
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Dec. 31, 2020
Debt |
Schedule of maturities of long-term debt | The Company’s long-term debt balance was as follows for the periods presented (dollars in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Annual | ​ | Balance at | ​ | Balance at
​ | ​ | Interest Rate | ​ | December 31, 2020 | ​ | December 31, 2019
Term loan (maturity date October 1, 2023) | ​ | 7.85% | ​ | $ | — | ​ | $ | 10,000
Debt issuance costs, net of amortization | ​ | ​ | ​ |  | — | ​ |  | (222)
Accrued final payment fees | ​ | ​ | ​ | ​ | — | ​ | ​ | 16
Long-term debt, net | ​ | ​ | ​ | $ | — | ​ | $ | 9,794

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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 http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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