Note 14 - Leases (Tables)

12 Months Ended

Mar. 31, 2026

Notes Tables

Lease, Cost [Table Text Block]

	Year Ended March 31,
	2026		2025
	(in thousands)
Lease cost
Operating lease cost	$	185	$	191
The supplemental cash flow information related to leases are as follows:
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases		175		187
Right-of-use assets obtained in exchange for lease obligations:
Operating leases		—		313
Finance leases		—		6

Summary of Information Relating To Lease Term And Discount Rate [Table Text Block]

Weighted average remaining lease term (in months)	As of March 31, 2026			As of March 31, 2025
Operating leases		24.8			35.6
Finance leases		38.2			50.2
Weighted average discount rate
Operating leases		10.37	%		10.39	%
Finance leases		10.50	%		10.50	%

Operating and Finance Lease Liability Maturity [Table Text Block]

(in thousands)	Operating Leases			Finance Leases
2027	$	186		$	2
2028		118			2
2029		51			1
2030		—			—
2031		—			—
Thereafter		—			—
Total lease payments	$	355		$	5
Less: Imputed interest		(35	)		—
Total	$	320		$	5