INCOME TAXES (Details Narrative) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Operating Loss Carryforwards [Line Items]
Gross deferred tax assets	$ 67,069	$ 66,856
Net operating loss expiration year	2038
Federal [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carry-forwards	$ 239,700	$ 237,700
Net operating loss expiration year		will expire in 2021
Tax credit		$ 3,300
State [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carry-forwards	$ 74,900	$ 69,800
Net operating loss expiration year	expire in various amounts from 2028 through 2040
State [Member] | CALIFORNIA
Operating Loss Carryforwards [Line Items]
Net operating loss expiration year		no expiration date
Tax credit		$ 1,400