Note 1 - Background and Basis of Presentation (Tables)

3 Months Ended

Jun. 30, 2026

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Three Months Ended June 30,
Disaggregation of revenue (in thousands)	2026		2025
Net revenues by type:
Net product sales	$	929	$	1,589
Licensing revenue		125		86
Total:		1,054		1,675
Net revenues by customers: (over 10%)
Amazon.com	$	493	$	200
Walmart		111		—
Fred Meyer		—		433
Variety Wholesalers		—		455
Total:	$	604	$	1,088

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

	As of June 30,			As of March 31,			As of March 31,
	2026			2026			2025
Trade receivables	$	930		$	1,300		$	2,606
Allowance for credit losses		(3	)		(7	)		(1,107	)
Accounts receivable, net	$	927		$	1,293		$	1,499

Accounts Receivable, Allowance for Credit Loss [Table Text Block]

	As of June 30,
	2026			2025
Opening balance	$	(7	)	$	(1,107	)
Reserve adjustment		4			(9	)
Allowance for credit losses	$	(3	)	$	(1,116	)