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Note 5 - Income Taxes - Deferred Income Taxes (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021
Deferred tax assets:
Accrued expenses	$ 364	$ 406
Deferred stock compensation	662	321
Bad debt and inventory reserves	27	29
Total deferred tax assets	1,053	756
Deferred tax liabilities:
Property and equipment	(1,989)	(2,037)
Total net deferred tax liabilities	$ (936)	$ (1,281)

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- Definition

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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