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OPERATING LEASES | 12 Months Ended
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Dec. 31, 2020
OPERATING LEASES |
OPERATING LEASES | 19. OPERATING LEASES The Company leases its facilities and offices under non-cancelable operating lease agreements. These leases expire through 2022 and are renewable upon negotiation. The following table provides a summary of leases where we are the leasee are presented as follows within our consolidated financial statements: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Assets/Liabilities |  | December 31, 2019 |  | December 31, 2020
Right-of-use assets | ​ | $ | 2,252 | ​ | $ | 74
Lease liabilities - current | ​ |  | 1,785 | ​ |  | 39
Lease liabilities – non-current | ​ |  | 810 | ​ |  | 26
Total lease liabilities | ​ | $ | 2,595 | ​ | $ | 65
​ ​ 19. OPERATING LEASES (cont.) The operating lease cost and short-term lease cost for the years ended December 31, 2019 and 2020 were as follows: ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | Year ended December 31, 2019 |  | Year ended December 31, 2020
Operating lease expense excluding short-term rental expense | ​ | 1,811 |  | $ | 182
Short-term lease cost | ​ | 1,597 | ​ |  | 434
Total lease cost | ​ | 3,408 |  | $ | 616
​ Lease term and discount rate information related to leases where we are lessee is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2019 |  | December 31, 2020 |
Weighted-average remaining lease terms | ​ | 1.9 years | ​ | ​ | 1.7 years | ​
Weighted-average discount rate |  | 10.92 | % |  | 10.30 | %
​ ​ 19. OPERATING LEASES (cont.) Supplemental cash flow information related to leases where we are lessee is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2019 |  | December 31, 2020
Cash paid for amounts included in the measurement of lease liabilities |  | ​ | — |  | ​ | —
Operating cash outflows from operating leases | ​ | $ | 1,211 | ​ | $ | 27
​ Maturities of lease liabilities as of December 31, 2020 were as follows: ​
​ | ​ | ​ | ​
​ |  | Operating Leases
​ | ​ | ​ | ​
​ | ​ | ​ | ​
2021 |  | $ | 44
2022 | ​ |  | 27
Total undiscounted lease payment |  | $ | 71
Less: Imputed interest | ​ |  | 6
Present value of lease liabilities |  | $ | 65
​

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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=77888251 + Details
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