CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Cash Flows [Abstract]
Net cash used in operating activities	$ (17)	$ (21)
Net change in cash	(17)	(21)
Cash at beginning of period	81	309
Cash at end of period	$ 64	$ 288