INCOME TAXES - Deferred Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax (liabilities):
Deferred taxes, net	$ 0	$ 0
Federal
Deferred tax assets:
Deferred tax assets	3,668	1,593
Valuation allowance	(3,668)	(1,593)
Foreign
Deferred tax assets:
Deferred tax assets	6,307	4,327
Valuation allowance	(6,255)	(4,327)
Deferred tax (liabilities):
Deferred tax (liabilities)	$ (52)	$ 0