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Expiration date of the tax credit carryforward, in YYYY-MM-DD format.

+ References

No definition available.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from in-process research and development costs expensed in connection with a business combination.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 6
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-Publisher FASB
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-Topic 740
-SubTopic 10
-Section 50
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

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Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
Income Taxes (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2018
Income Taxes (Details) [Line Items]
Valuation allowance increased	$ 20.7	$ 68.2
Federal [Member]
Income Taxes (Details) [Line Items]
Net operating loss carryforwards	$ 166.2		$ 375.3
Federal [Member] \| Minimum [Member]
Income Taxes (Details) [Line Items]
Expire year	2024
Federal [Member] \| Maximum [Member]
Income Taxes (Details) [Line Items]
Expire year	2037
Federal [Member] \| Research and Development [Member]
Income Taxes (Details) [Line Items]
Credit carryforwards	$ 1.3
Federal [Member] \| Research and Development [Member] \| Minimum [Member]
Income Taxes (Details) [Line Items]
Expire year	2022
Federal [Member] \| Research and Development [Member] \| Maximum [Member]
Income Taxes (Details) [Line Items]
Expire year	2035
State [Member]
Income Taxes (Details) [Line Items]
Net operating loss carryforwards	$ 542.9
State [Member] \| Minimum [Member]
Income Taxes (Details) [Line Items]
Expire year	2028
State [Member] \| Maximum [Member]
Income Taxes (Details) [Line Items]
Expire year	2042
State [Member] \| Research and Development [Member]
Income Taxes (Details) [Line Items]
Credit carryforwards	$ 2.2