Note 15 - Significant Customers - Customers with Sales and Accounts Receivable Greater Than 10% (Details) - Customer Concentration Risk [Member]	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue Benchmark [Member] | Distributor A [Member]
Concentration risk	31.00%	26.00%	24.00%
Revenue Benchmark [Member] | Distributor B [Member]
Concentration risk	20.00%	19.00%	19.00%
Revenue Benchmark [Member] | Distributor C [Member]
Concentration risk		10.00%
Accounts Receivable [Member] | Distributor A [Member]
Concentration risk	28.00%	42.00%
Accounts Receivable [Member] | Distributor B [Member]
Concentration risk	29.00%	13.00%
Accounts Receivable [Member] | Distributor C [Member]
Concentration risk		10.00%