Note 9 - Leases (Tables)

9 Months Ended

Dec. 31, 2025

Notes Tables

Lease, Cost [Table Text Block]

	Three Months Ended December 31,				Nine Months Ended December 31,
	2025		2024		2025		2024
	(in thousands)				(in thousands)
Lease cost
Operating lease cost	$	45	$	45	$	139	$	145
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		46		46		129		141
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 December 31, 2025			As of December 31, 2024
Operating leases		27.4			38.4
Finance leases		41.2			53.2
Weighted average discount rate
Operating leases		10.38	%		10.39	%
Finance leases		10.50	%		10.50	%

Operating and Finance Lease Liability Maturity [Table Text Block]

(in thousands)	Operating Leases			Finance Leases
2026	$	47		$	1
2027		187			2
2028		118			2
2029		51			1
2030		—			—
Thereafter		—			—
Total lease payments	$	403		$	6
Less: Imputed interest		(44	)		(1	)
Total	$	359		$	5