Note 10 - Debt and Credit Agreements - Future Annual Principal Payments on Outstanding Debt Obligations (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
2025	$ 1,454
2026	1,478
2027	5,835
2028	382
2029	47
Total	$ 9,196	$ 12,153

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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