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Note 7 - Segment, Significant Customers and Geographic Information - Customers with Sales and Accounts Receivable Greater Than 10% (Details) - Customer Concentration Risk [Member]
3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Revenue Benchmark [Member] | Distributor A [Member]      
Concentration risk 24.00% 41.00%  
Revenue Benchmark [Member] | Distributor B [Member]      
Concentration risk 19.00% 13.00%  
Revenue Benchmark [Member] | Distributor C [Member]      
Concentration risk 11.00%    
Accounts Receivable [Member] | Distributor A [Member]      
Concentration risk 32.00%   28.00%
Accounts Receivable [Member] | Distributor B [Member]      
Concentration risk 21.00%   29.00%
Accounts Receivable [Member] | Distributor C [Member]      
Concentration risk 11.00%