Income Taxes (Details Narrative) $ in Thousands	Dec. 31, 2020 USD ($)
NOL Limitation	$ 30,000
Valuation allowance, subsidiaries	4,100
Research and development tax credit carry-forwards	200
Federal
Net operating loss carry-forwards	104,100
NOL carry-forwards incurred by subsidiaries	10,800
State
Net operating loss carry-forwards	48,900
NOL carry-forwards incurred by subsidiaries	$ 5,000

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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 of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments).

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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