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Note 5 - Debt - Unused Availability (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Unused Availability | $ 13,310 | $ 8,589
UNITED STATES |  |
Unused Availability | $ 13,310 | 6,525
SOUTH AFRICA |  |
Unused Availability |  | $ 2,064

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