LEASES - Summary of Right of Use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets
Operating lease, right-of-use asset	$ 861	$ 912
Liabilities
Operating lease liabilities - current	1,065	1,098
Operating lease liabilities - long-term	360	550
Total lease liabilities	$ 1,425	$ 1,648
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other assets, net	Other assets, net
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other current liabilities	Other current liabilities
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other long-term liabilities	Other long-term liabilities