OPERATING LEASES (Tables)

12 Months Ended

Dec. 31, 2020

OPERATING LEASES

Summary of leases 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

Schedule of operating lease cost and short-term lease

	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

Summary of lease term and discount rate information related to leases

	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	%

Summary of supplemental cash flow information related to leases

	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

Schedule of Maturities of lease liabilities

	Operating Leases
2021	$	44
2022		27
Total undiscounted lease payment	$	71
Less: Imputed interest		6
Present value of lease liabilities	$	65