Note 9 - Leases (Tables)

9 Months Ended

Dec. 31, 2023

Notes Tables

Lease, Cost [Table Text Block]

	Three Months Ended December 31,				Nine Months Ended December 31,
	2023		2022		2023		2022
	(in thousands)				(in thousands)
Lease cost
Operating lease cost	$	52	$	60	$	141	$	185
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		43		62		123		187
Right-of-use assets obtained in exchange for lease obligations:
Operating leases		—		—		248		—
Finance leases		—		—		—		—

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

Weighted average remaining lease term (in months)	As of December 31, 2023			As of December 31, 2022
Operating leases		44.7			18.8
Finance leases		5.2			17.2
Weighted average discount rate
Operating leases		9.58	%		7.50	%
Finance leases		7.50	%		7.50	%

Operating and Finance Lease Liability Maturity [Table Text Block]

(in thousands)	Operating Leases			Finance Leases
2024	$	52		$	1
2025		116			—
2026		54			—
2027		66			—
Thereafter		52			—
Total lease payments	$	340		$	1
Less: Imputed interest		(4	)		—
Total	$	336		$	1