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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 6 Months Ended 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Revenue Benchmark [Member] | Distributor A [Member]          
Concentration risk 22.00% 24.00% 21.00% 24.00%  
Revenue Benchmark [Member] | Distributor B [Member]          
Concentration risk 20.00% 18.00% 21.00% 18.00%  
Revenue Benchmark [Member] | Distributor C [Member]          
Concentration risk 11.00% 11.00% 10.00% 11.00%  
Accounts Receivable [Member] | Distributor A [Member]          
Concentration risk     27.00%   29.00%
Accounts Receivable [Member] | Distributor B [Member]          
Concentration risk     22.00%   23.00%