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Note 16 - Significant Customers / Concentration / Disaggregated Revenue - Concentration of Risk (Details) - Customer Concentration Risk [Member]
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Revenue Benchmark [Member] | Customer A [Member]    
Concentration Risk, Percentage 0.00% 13.00%
Accounts Receivable [Member] | Customer B [Member]    
Concentration Risk, Percentage 22.00% 17.00%
Accounts Receivable [Member] | Customer C [Member]    
Concentration Risk, Percentage 13.00% 0.00%
Accounts Receivable [Member] | Customer D [Member]    
Concentration Risk, Percentage 0.00% 20.00%
Accounts Receivable [Member] | Customer E [Member]    
Concentration Risk, Percentage 0.00% 10.00%