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Note 6 - Indebtedness - Interest Expense on the Notes (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
The Notes [Member]
Interest expense (7.2% and 8.4% as of June 30, 2025 and 2024, respectively)	$ 335	$ 367
Amortization of discount and debt issuance costs	135	145
Total interest and amortization of discount and debt issuance costs	470	512
Term Loan [Member]
Interest expense (7.2% and 8.4% as of June 30, 2025 and 2024, respectively)	1,292	1,439
Amortization of discount and debt issuance costs	37	35
Total interest and amortization of discount and debt issuance costs	$ 1,329	$ 1,474

X

- Definition

Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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