Note 1 - Background and Basis of Presentation (Tables)

6 Months Ended

Sep. 30, 2025

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended September 30,				Six Months Ended September 30,
Disaggregation of revenue (in 000's)	2025		2024		2025		2024
Net revenues by type:
Net product sales	$	1,127	$	2,670	$	2,716	$	4,799
Licensing revenue		88		68		174		137
Total:		1,215		2,738		2,890		4,936
Net revenues by customers: (over 10%)
Amazon.com	$	680	$	999	$	880	$	1,984
Costco		137		—		246		—
Walmart		115		1,190		168		2,038
Variety Wholesalers		—		—		459		—
Fred Meyer		—		379		439		544
Total:	$	932	$	2,568	$	2,192	$	4,566

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

		As of September 30,			As of March 31,			As of March 31,
	2025			2025			2024
Trade receivables	$	2,316		$	2,606		$	1,368
Allowance for credit losses		(1,113	)		(1,107	)		(25	)
Accounts receivable, net	$	1,203		$	1,499		$	1,343

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

	As of September 30,
	2025			2024
Opening balance	$	(1,107	)	$	(29	)
Reserve adjustment		(6	)		(8	)
Allowance for credit losses	$	(1,113	)	$	(37	)