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Income Taxes (Details Textual) $ in Millions | Mar. 31, 2023 USD ($)
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Income Tax Contingency [Line Items] |
Deferred tax assets, unrecognized tax benefit | $ 85.0
Decrease in unrecognized tax benefits is reasonably possible | 500.0
ADUHELM |
Income Tax Contingency [Line Items] |
Decrease in unrecognized tax benefits is reasonably possible | $ 450.0

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- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(3) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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