Income Taxes (Narrative) (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Deferred tax assets, valuation allowance | $ 94,751,000 | $ 67,073,000 |
| Tax credits, expiration date | Dec. 31, 2033 | |
| Interest or penalties | $ 0 | |
| Domestic Tax Authority [Member] | ||
| Operating loss carryforwards without expiration | 168,100,000 | |
| Operating Loss Carryforwards | 191,700,000 | |
| Income tax credits | 8,300,000 | |
| State and Local Jurisdiction [Member] | ||
| Operating loss carryforwards without expiration | 94,000 | |
| Operating Loss Carryforwards | 410,000,000.0 | |
| Income tax credits | $ 1,800,000 |
| X | ||||||||||
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. No definition available.
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A credit or adjustment for government or taxing authority authorized decrease in taxes owed as a result of meeting certain tax policy conditions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Expiration date of the tax credit carryforward, in YYYY-MM-DD format. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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