Note 12 - Income Taxes - Components of Net Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021
Net operating loss	$ 11,274	$ 8,990
Credits	5,321	169
Stock compensation deductible differences	2,137	2,099
Inventories	1,316	838
Allowances and reserves	1,977	1,471
Accrued employee-related expenses	296	209
Debt related	91
Other	7	25
Total deferred tax assets	22,419	13,801
Goodwill and intangible assets	(56,145)	(23,029)
Property, plant and equipment	(3,284)	(1,275)
Debt		(4,723)
Currency translation adjustment	(185)
Other	(3)	(29)
Total deferred tax liabilities	(59,617)	(29,056)
Valuation allowance	(708)	(404)
Net deferred tax (liability)	$ (37,906)	$ (15,659)

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs.

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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, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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Amount of deferred tax liability attributable to taxable temporary differences from unrealized gains on foreign currency transactions.

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