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Note 6 - Indebtedness (Tables)

6 Months Ended

Sep. 30, 2025

Notes Tables

Schedule of Maturities of Long-Term Debt [Table Text Block]

Fiscal Year		*Amount*
Remainder of 2026		$	1,875
2027			5,625
2028			5,625
2029			7,500
2030			48,750
Total principal remaining		$	69,375

Convertible Debt [Table Text Block]

		*September 30, 2025*				*March 31, 2025*
Principal outstanding		$	-			$	97,500
Unamortized debt issuance costs			-				(203	)
Net carrying value		$	-			$	97,297

Interest Expense on Convertible Debt [Table Text Block]

		*Three Months Ended September 30,*								*Six Months Ended September 30,*
		*2025*				*2024*				*2025*				*2024*
Interest expense (7.2% and 8.4% as of September 30, 2025 and 2024, respectively)		$	1,305			$	1,662			$	2,597			$	3,101
Amortization of debt issuance costs			38				38			75					73
Total interest and amortization of debt issuance costs		$	1,343			$	1,700			$	2,672			$	3,174

		*Three Months Ended September 30,*								*Six Months Ended September 30,*
		*2025*				*2024*				*2025*				*2024*
Coupon interest expense at 1.375%		$	168			$	335			$	503			$	702
Amortization of debt issuance costs			68				133				203				278
Total interest and amortization of debt issuance costs		$	236			$	468			$	706			$	980

Term Loan [Member]

Notes Tables

Convertible Debt [Table Text Block]

		*September 30, 2025*				*March 31, 2025*
Current portion		$	4,688			$	3,750
Noncurrent portion			64,164				66,902
Debt issuance costs			523				598
Term Loan principal outstanding		$	69,375			$	71,250