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Note 11 - Income Taxes (Tables)

12 Months Ended

Mar. 31, 2019

Notes Tables

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

		Year Ended March 31,
		2019				2018				2017
Domestic		$	12,133			$	12,708			$	12,913
Foreign			(3,510	)			(12,407	)			1,383
Total earnings before income taxes		$	8,623			$	301			$	14,296

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

		Year Ended March 31,
		2019				2018				2017
Current tax provision
U.S. Federal		$	1,831			$	3,732			$	2,282
U.S. State			449				715				510
Foreign			1,166				1,299				849
Total current tax expense			3,446				5,746				3,641
Deferred tax provision:
U.S. Federal			(741	)			(1,589	)			(126	)
U.S. State			(106	)			(216	)			(32	)
Foreign			(1,460	)			(678	)			(370	)
Total deferred tax expense			(2,307	)			(2,483	)			(528	)
Total income tax expense		$	1,139			$	3,263			$	3,113

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

		March 31, 2019				March 31, 2018
Current deferred tax assets:
Accrued employee-related expenses		$	163			$	277
Allowances and reserves			100				101
Stock compensation deductible differences			1,061				779
Inventories			1,534				1,388
Currency translation adjustment			(33	)			51
Net operating loss			47				90
Foreign tax credit			16				100
Other			807				--
Total current deferred tax assets			3,695				2,786
Long-term deferred tax liabilities:
Property, plant and equipment			(1,118	)			(1,236	)
Goodwill and intangible assets			(2,249	)			(3,940	)
Other			(6	)			(4	)
Total long-term deferred tax liabilities			(3,373	)			(5,180	)
Valuation allowance			(76	)			(100	)
Net deferred tax liability		$	246			$	(2,494	)

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

		Year Ended March 31,
		2019				2018				2017
Federal income taxes at statutory rates		$	1,811			$	93			$	4,861
State income taxes, net of federal benefit			208				328				302
Tax benefit of stock option exercises			(2,034	)			(1,087	)			(1,576	)
Section 199 manufacturing deduction			--				(381	)			(304	)
Research and development credit			(158	)			(162	)			(385	)
Tax Cuts and Jobs Act			--				(59	)			--
Impairment of non-deductible goodwill			284				4,257				--
Limitation for 162 (m)			766				--				--
Other			262				274				215
Total income tax expense		$	1,139			$	3,263			$	3,113

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

		Year Ended March 31,
		2019				2018				2017
Beginning balance		$	827			$	331			$	221
Increases related to current period tax positions			534				496				110
Ending balance		$	1,361			$	827			$	331

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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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