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LEASES - Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Operating
2022	$ 125
2023	0
Total lease payments	125
Less imputed interest	(3)
Present value of lease liabilities	122
Less current portion of lease liabilities	(122)	$ (126)
Long-term operating lease liabilities	0	129
Finance
2022	168
2023	18
Total lease payments	186
Less imputed interest	(3)
Present value of lease liabilities	183
Less current portion of lease liabilities	(165)	(238)
Long-term finance lease liabilities	$ 18	$ 183

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