Note 6 - Leases (Tables)

6 Months Ended

Sep. 30, 2025

Notes Tables

Lease, Cost [Table Text Block]

	Three Months Ended				Six Months Ended
	September 30,				September 30,
	2025		2024		2025		2024
Operating lease expense	$	168	$	108	$	276	$	168
	$	168	$	108	$	276	$	168

Schedule of Balance Sheet Information Related to Operating Leases [Table Text Block]

	September 30, 2025		March 31, 2025		Balance Sheet Classification
Assets
Operating lease right-of-use asset	$	5,108	$	2,841	Operating lease right-of-use asset
Total right-of-use assets	$	5,108	$	2,841
Liabilities
Operating lease liability, current	$	750	$	160	Accrued expenses
Operating lease liability, non-current		4,466		2,752	Non-current lease liabilities
Total lease liabilities	$	5,216	$	2,912

Operating and Finance Lease, Liability, Maturity [Table Text Block]

	Operating Leases
Fiscal 2026 (remainder of fiscal year)		532
Fiscal 2027		1,054
Fiscal 2028		990
Fiscal 2029		959
Fiscal 2030 and beyond		5,034
Total undiscounted lease payments	$	8,569
Less: imputed interest		(3,353	)
Present value of lease liability	$	5,216