Quarterly report [Sections 13 or 15(d)]

Note 7 - Accounts Receivable (Details Textual)

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Note 7 - Accounts Receivable (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Jan. 01, 2024
Accounts Receivable, Credit Loss Expense (Reversal) $ (78,000) $ 2,000    
Accounts Receivable, after Allowance for Credit Loss $ 5,527,000 $ 12,900,000 $ 4,895,000 $ 8,900,000