Note 5 - Income Taxes (Tables)

12 Months Ended

Mar. 31, 2024

Notes Tables

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

	2024		2023
	(In thousands)
Current:
Federal	$	78	$	—
Foreign, state and other		12		—
Deferred:
Federal		—		—
Foreign, state and other		—		—
Provision for income tax expense	$	90	$	—

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

	2024			2023
	(In thousands)
Statutory provision	$	180		$	(286	)
Foreign subsidiary		(248	)		(162	)
State taxes		55			(86	)
Permanent differences		261			148
Adjustment to prior year taxes		86			(8	)
Valuation allowance		(244	)		394
Provision for income tax expense	$	90		$	—

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

	2024			2023
	(In thousands)
Deferred tax assets:
Accounts receivable reserves	$	71		$	34
Inventory		190			260
Accruals		116			9
Property and equipment and intangible assets		—			14
Net operating loss and credit carry forwards		4,152			4,437
Total deferred tax assets:		4,529			4,754
Valuation allowance		(4,510	)		(4,754	)
Net deferred tax assets:		19			—
Deferred tax liabilities:
Property and equipment		(19	)		—
Total deferred tax liabilities:	$	(19	)	$	—

Summary of Operating Loss Carryforwards [Table Text Block]

		Federal NOL's			State NOL's
Loss Year (Fiscal)	Included in DTA (in millions)			Included in DTA (in millions)			Expiration Year (Fiscal)
2014	$	—		$	0.2			2034
2016	$	—		$	1.5			2036
2017	$	—		$	0.8			2037
2018	$	—		$	2.7			2038
2019	$	3.3		$	2.8			2039
2020	$	3.6		$	3.1			2040
2021	$	4.0		$	1.9			2041
2022	$	3.4		$	1.9			2042
2023	$	(1.4	)	$	(1.6	)		2043
2024	$	1.9		$	1.6			2044
Total	$	14.8		$	14.9