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Note 14 - Income Taxes (Tables)

12 Months Ended

Mar. 31, 2021

Notes Tables

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

		Year Ended March 31,
		2021				2020				2019
Domestic		$	6,297			$	16,059			$	12,133
Foreign			(3,994	)			(12,197	)			(3,510	)
Total earnings before income taxes		$	2,303			$	3,862			$	8,623

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

		Year Ended March 31,
		2021				2020				2019
Current tax provision
U.S. Federal		$	1,500			$	2,348			$	1,831
U.S. State			628				814				449
Foreign			404				993				1,166
Total current tax expense			2,532				4,155				3,446
Deferred tax provision:
U.S. Federal			(2,410	)			60				(741	)
U.S. State			(619	)			599				(106	)
Foreign			(474	)			(2,730	)			(1,460	)
Total deferred tax benefit			(3,503	)			(2,071	)			(2,307	)
Total income tax (benefit) expense		$	(971	)		$	2,084			$	1,139

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

		March 31, 2021				March 31, 2020
Deferred tax assets:
Net operating loss		$	8,990				8,874
Stock compensation deductible differences			2,099				1,265
Inventories			838				504
Allowances and reserves			1,471				105
Accrued employee-related expenses			209			$	208
Credits			169				47
Other			25				458
Total deferred tax assets			13,801				11,461
Deferred tax liabilities:
Goodwill and intangible assets			(23,029	)			(24,825	)
Debt			(4,723	)			(5,982	)
Property, plant and equipment			(1,275	)			(1,286	)
Other			(29	)			(65	)
Total deferred tax liabilities			(29,056	)			(32,158	)
Valuation allowance			(404	)			(391	)
Net deferred tax liability		$	(15,659	)		$	(21,088	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

		Year Ended March 31,
		2021				2020				2019
Federal income taxes at statutory rates		$	483			$	811			$	1,811
State income taxes, net of federal benefit			(221	)			1,122				208
Tax benefit of stock option exercises			(1,816	)			(1,576	)			(2,034	)
Foreign-derived intangible income deduction			(999	)			-				-
Research and development credit			(165	)			(191	)			(158	)
Limitation for 162(m)			1,113				1,112				766
Foreign rate differential			810				657				-
Other			(176	)			149				546
Total income tax (benefit) expense		$	(971	)		$	2,084			$	1,139

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

		Year Ended March 31,
		2021				2020				2019
Beginning balance		$	653			$	1,361			$	827
Decreases related to prior period tax positions			(629	)			(1,027	)			-
Increases related to current period tax positions			40				319				534
Ending balance		$	64			$	653			$	1,361

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- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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