Note 14 - Leases (Tables)

12 Months Ended

Mar. 31, 2023

Notes Tables

Lease, Cost [Table Text Block]

	Twelve Months Ended March 31,
	2023		2022
	(in thousands)
Lease cost
Operating lease cost	$	229	$	255
Finance lease cost		—		—
Amortization of right-of-use assets		—		—
Interest on lease liabilities		—		—
Variable lease costs		—		—
Total lease cost		229		255
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		232		257
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
Finance leases		—		—

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

Weighted average remaining lease term (in months)	As of March 31, 2023			As of March 31, 2022
Operating leases		16.5			24.8
Finance leases		14.2			26.2
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
2024	$	148		$	1
2025		62			—
2026		—			—
2027		—			—
Thereafter		—			—
Total lease payments	$	210		$	1
Less: Imputed interest		(10	)		—
Total	$	200		$	1