Deferred Tax Assets, Operating Loss Carryforwards, Domestic, Tax-effected

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- Definition

Operating Loss Carryforwards, Subject To Expiration

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Operating Loss Carryforwards, Subject To Expiration, Tax-effected

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Operating Loss Carryforwards, Tax-effected

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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 a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
Income Taxes - Narrative (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Loss Carryforwards [Line Items]
Federal net operating loss carryforward	$ 74,900,000
Federal net operating loss carryforward, tax-effected	15,700,000
Increase in valuation allowance	4,700,000
Total recognized tax benefit	0	$ 0	$ 0
Accrued interest or penalties on unrecognized tax positions	0
Federal
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	8,700,000
Operating loss carryforwards subject to expiration	11,500,000
Operating loss carryforwards subject to expiration, tax-effected	2,400,000
State
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	6,900,000
State net operating loss carryforwards	94,300,000
State net operating loss carryforwards, tax-effected	4,800,000
State \| California
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards subject to expiration	21,600,000
Operating loss carryforwards subject to expiration, tax-effected	$ 1,100,000