Note 9 - Leases (Tables)

9 Months Ended

Dec. 31, 2022

Notes Tables

Lease, Cost [Table Text Block]

	Three Months Ended December 31,				Nine Months Ended December 31,
	2022		2021		2022		2021
	(in thousands)				(in thousands)
Lease cost
Operating lease cost	$	60	$	64	$	185	$	191
Finance lease cost		—		—		—		—
Amortization of right-of-use assets		—		—		—		—
Interest on lease liabilities		—		—		—		—
Variable lease costs		—		—		—		—
Total lease cost		60		64		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		62		63		187		194
Operating cash flows from finance leases		—		—		—		—
Financing cash flows from finance leases		—		—		—		—
Right-of-use assets obtained in exchange for lease obligations:
Operating leases		—		403		—		403
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, 2022			As of December 31, 2021
Operating leases		18.8			27.3
Finance leases		17.2			29.2
Weighted average discount rate
Operating leases		7.50	%		7.50	%
Finance leases		7.50	%		7.50	%

Operating and Finance Lease Liability Maturity [Table Text Block]

(in thousands)	Operating Leases			Finance Leases
2023	$	46		$	1
2024		149			1
2025		62			—
2026		—			—
Thereafter		—			—
Total lease payments	$	257		$	2
Less: Imputed interest		(14	)		—
Total	$	243		$	2