Note 16 - Concentration of Risk - Customer Concentration (Details) - Customer Concentration Risk [Member]	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accounts Receivable [Member] | Customer A [Member]
Customer	13.00%	11.00%
Accounts Receivable [Member] | Customer B [Member]
Customer	19.00%
Accounts Receivable [Member] | Customer C [Member]
Customer		18.00%
Revenue Benchmark [Member] | Customer A [Member]
Customer	21.00%	15.00%
Revenue Benchmark [Member] | Customer B [Member]
Customer	13.00%
Revenue Benchmark [Member] | Customer C [Member]
Customer		10.00%