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Commitments and Contingencies (Tables) | 9 Months Ended
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Sep. 30, 2021
Commitments and Contingencies |
Schedule of future minimum lease payments under non-cancellable operating leases | ​
​ | ​ | ​ | ​
Years ending December 31, | ​ | (in thousands)
2021 (remainder of year) |  | $ | 49
2022 |  | ​ | 144
2023 |  | ​ | 38
2024 |  | ​ | —
2025 | ​ | ​ | —
Thereafter | ​ | ​ | —
Total undiscounted future non-cancelable minimum lease payments |  | ​ | 231
Less: imputed interest |  | ​ | (10)
Present value of lease liabilities | ​ | $ | 221

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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
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