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Note 7 - Long-term Debt - Carrying Amount of the Company's Outstanding Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Other loans $ 171 $ 352
Debt discount and debt issuance costs, net of accumulated accretion (3,802) (554)
Total outstanding long-term debt 56,828 37,893
Less current portion 120 182
Total outstanding debt 56,708 37,711
Senior Secured Debt Due June 30, 2026 [Member]    
Convertible debt 21,200 21,200
Convertible Note Instrument Due June 30, 2026 [Member]    
Convertible debt $ 39,259 $ 16,895