Represents capitalized research and development expenses.

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The portion of the capitalized R&E costs that haven't yet been amortized (deducted).

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The increase or decrease in the non-cash income tax benefit from changes in valuation allowance.

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Amount of operating loss carryforward indefinite.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability not recognized because of the exceptions to comprehensive recognition of deferred taxes related to undistributed earnings of foreign subsidiaries.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Amount recognized for uncertainty in income taxes classified as current.

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Tax year that remains open to examination under enacted tax laws, in YYYY format.

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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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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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Amount of unrecognized tax benefits.

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Note 14 - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Increase Decrease in Non-cash Income Tax Benefit Regarding Valuation Allowance	$ 118,400
Deferred Tax Assets, Valuation Allowance	45,005	$ 171,674
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	(126,700)
Capitalized Research and Development Expenses	35,600
Capitalized Research and Development Expenses, Remaining Basis	21,200
Undistributed Earnings of Foreign Subsidiaries	5,500
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries	400
Liability for Uncertainty in Income Taxes, Current		0
Unrecognized Tax Benefits	0	$ 0	$ 0
Research Tax Credit Carryforward [Member]
Tax Credit Carryforward, Amount	10,600
Other Tax Credit Carryforwards [Member]
Tax Credit Carryforward, Amount	2,000
Income Tax Jurisdiction, Domestic Federal [Member]
Operating Loss Carryforwards	624,800
Operating Loss Carryforwards Indefinite	$ 73,000
Income Tax Jurisdiction, Domestic Federal [Member] \| Internal Revenue Service (IRS) [Member]
Open Tax Year	1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026
Income Tax Jurisdiction, Domestic State and Local [Member]
Operating Loss Carryforwards	$ 173,700
Income Tax Jurisdiction, Foreign [Member] \| Secretariat of the Federal Revenue Bureau of Brazil [Member]
Operating Loss Carryforwards	$ 7,900
Open Tax Year	2020 2021 2022 2023 2024 2025 2026
Income Tax Jurisdiction, Foreign [Member] \| National Revenue Administration of Poland [Member]
Operating Loss Carryforwards	$ 400
Open Tax Year	2022 2023 2024 2025 2026
Income Tax Jurisdiction, Foreign [Member] \| Austrian Federal Ministry of Finance [Member]
Open Tax Year	2024 2025 2026
Income Tax Jurisdiction, Foreign [Member] \| National Agency for Fiscal Administration of Romania [Member]
Open Tax Year	2021 2022 2023 2024 2025 2026