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Leases (Tables) | 9 Months Ended
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Sep. 30, 2020
Leases |
Summary of Additional Details of the Leases | ​
​ | ​ | ​ | ​ | ​
Facilities | ​ | ​ | ​ | ​
Right of use assets | ​ | $ | 2,402 | ​
​ | ​ | ​ | ​ | ​
Current portion of lease liabilities | ​ | ​ | 2,770 | ​
Operating lease liability, net of current portion | ​ | ​ | — | ​
Total | ​ | $ | 2,770 | ​
​ | ​ | ​ | ​ | ​
Weighted-average remaining life (years) | ​ | ​ | 1.00 | ​
Weighted-average discount rate | ​ | ​ | 12.99 | %
Summary of Lease Costs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30,
​ | 2020 |  | 2019 | ​ | 2020 |  | 2019
Operating lease expense | $ | 648 | ​ | $ | 648 | ​ | $ | 1,944 | ​ | $ | 1,944
Cash paid for operating lease | $ | 767 | ​ | $ | 660 | ​ | $ | 2,288 | ​ | $ | 1,890
Summary of Undiscounted Cash Payment Obligations for Operating Lease Liabilities | ​
​ | ​ | ​ | ​
Remainder of 2020 | ​ | $ | 777
2021 | ​ | ​ | 2,183
Total undiscounted operating lease payments | ​ | ​ | 2,960
Imputed interest expenses | ​ | ​ | (190)
Total operating lease liabilities | ​ | ​ | 2,770
Less: Current portion of operating lease liability | ​ | ​ | 2,770
Operating lease liability, net of current portion | ​ | $ | —

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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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=77888426&loc=SL77918701-209980 + Details
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