8. INCOME TAXES (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Federal NOL carryforwards	$ 25,017
State NOL carryforwards	1,148
R&D & other credit carryforwards	650	$ 663
Uncertain tax positions	$ 0
Operating loss expiration date	Dec. 31, 2034

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.

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Amount recognized for uncertainty in income taxes classified as current.

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Expiration date of each operating loss carryforward included in operating loss carryforward, in CCYY-MM-DD format.

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