INCOME TAXES Components Of Income Tax Expense Benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Current tax provision (benefit):
U.S. Federal	$ 0	$ 0
State and local	5	(495)
Foreign	699	165
Total current provision for (benefit from) income taxes	704	(330)
Deferred tax provision (benefit):
U.S. Federal	0	0
State and local	0	0
Foreign	(169)	(210)
Total deferred benefit from income taxes	(169)	(210)
Provision for (benefit from) income taxes	$ 535	$ (540)