Note 13 - Major Customers and Related Information (Details Textual) - Customer Concentration Risk [Member]	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Revenue Benchmark [Member] | Distributors [Member]
Number of Major Customers	1	2	1	2
Revenue Benchmark [Member] | Distributor One [Member]
Concentration Risk, Percentage	59.00%	41.00%	39.00%	27.00%
Revenue Benchmark [Member] | Distributor Two [Member]
Concentration Risk, Percentage		29.00%		21.00%
Accounts Receivable [Member] | Distributors [Member]
Number of Major Customers			2		3
Accounts Receivable [Member] | Distributor One [Member]
Concentration Risk, Percentage			42.00%		48.00%
Accounts Receivable [Member] | Distributor Two [Member]
Concentration Risk, Percentage			15.00%		16.00%
Accounts Receivable [Member] | Distributor Three [Member]
Concentration Risk, Percentage					15.00%