Note 12 - Concentrations (Details Textual)	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021	Dec. 31, 2020
Customer Concentration Risk [Member] | Revenue Benchmark [Member]
Number of Distributors	1	1	1
Number of Major Customers	1	0
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | One Distributor [Member]
Concentration Risk, Percentage	8.00%	16.00%	18.00%
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | One Customer [Member]
Concentration Risk, Percentage	10.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member]
Number of Distributors	2	2
Number of Major Customers	2	2
Customer Concentration Risk [Member] | Accounts Receivable [Member] | One Distributor [Member]
Concentration Risk, Percentage	15.00%	20.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Two Distributor [Member]
Concentration Risk, Percentage	6.00%	10.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer One[Member]
Concentration Risk, Percentage	26.00%	14.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer Two [Member]
Concentration Risk, Percentage	11.00%	13.00%
Customer Concentration Risk [Member] | Cost of Goods and Service, Product and Service Benchmark [Member] | Raw Materials [Member]
Number of Distributors	1
Concentration Risk, Percentage	33.00%	21.00%
Number of Vendors		1
Supplier Concentration Risk [Member] | Cost of Goods and Service, Product and Service Benchmark [Member] | Raw Materials [Member]
Concentration Risk, Percentage			23.00%
Number of Vendors			1
Supplier Concentration Risk [Member] | Cost of Goods and Service, Product and Service Benchmark [Member] | Packaging Materials [Member]
Concentration Risk, Percentage	91.00%	84.00%	88.00%
Number of Vendors	5	5	5
Maximum [Member]
Cash, FDIC Insured Amount	$ 250,000