Note 9 - Concentrations - Accounts Receivables and Revenues (Details) - 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
Accounts Receivable [Member] | Customer 1 [Member]
Concentration Risk, Percentage			49.00%
Accounts Receivable [Member] | Customer 2 [Member]
Concentration Risk, Percentage			15.00%		28.00%
Accounts Receivable [Member] | Customer 3 [Member]
Concentration Risk, Percentage			13.00%
Accounts Receivable [Member] | Customer 4 [Member]
Concentration Risk, Percentage					27.00%
Revenue from Contract with Customer Benchmark [Member] | Customer 1 [Member]
Concentration Risk, Percentage	36.00%	0.48%	36.00%	0.10%
Revenue from Contract with Customer Benchmark [Member] | Customer 2 [Member]
Concentration Risk, Percentage	14.00%	1.00%	6.00%	1.00%
Revenue from Contract with Customer Benchmark [Member] | Customer 3 [Member]
Concentration Risk, Percentage	1.00%	44.00%	14.00%	20.00%