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Note 7 - Revenue and Accounts Receivable (Details Textual) - USD ($)
$ in Thousands
Mar. 31, 2025
Jan. 01, 2025
Dec. 31, 2024
Mar. 31, 2024
Jan. 01, 2024
Accounts Receivable, after Allowance for Credit Loss $ 1,000 $ 1,800   $ 1,800 $ 8,600
Accounts Receivable, Allowance for Credit Loss 0   $ 36    
Contract with Customer, Liability $ 0