Note 15 - Concentrations (Details Textual) $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Accounts Receivable, before Allowance for Credit Loss	$ 50.2	$ 6.9
Revenue Benchmark [Member] \| Customer Concentration Risk [Member]
Number of Customers	2	3
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Two Customers [Member]
Concentration Risk, Percentage	26.00%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Customer One [Member]
Concentration Risk, Percentage	15.00%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Customer Two [Member]
Concentration Risk, Percentage	11.00%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Three Customers [Member]
Concentration Risk, Percentage		53.00%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Customer Three [Member]
Concentration Risk, Percentage		31.00%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Customer Four [Member]
Concentration Risk, Percentage		11.00%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Customer Five [Member]
Concentration Risk, Percentage		11.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member]
Number of Customers	2
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Two Customers [Member]
Concentration Risk, Percentage	46.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Customer Two [Member]
Concentration Risk, Percentage	30.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Customer Six [Member]
Concentration Risk, Percentage	16.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Four Customers [Member]
Concentration Risk, Percentage		70.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Customer Seven [Member]
Concentration Risk, Percentage		27.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Customer Eight [Member]
Concentration Risk, Percentage		16.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Customer Nine [Member]
Concentration Risk, Percentage		16.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Customer Ten [Member]
Concentration Risk, Percentage		11.00%
Cost of Goods and Service Benchmark [Member] \| Supplier Concentration Risk [Member]
Number of Supplier	1
Cost of Goods and Service Benchmark [Member] \| Supplier Concentration Risk [Member] \| Customer One [Member]
Concentration Risk, Percentage		14.00%
Cost of Goods and Service Benchmark [Member] \| Supplier Concentration Risk [Member] \| Customer Two [Member]
Concentration Risk, Percentage		13.00%
Cost of Goods and Service Benchmark [Member] \| Supplier Concentration Risk [Member] \| Three Customers [Member]
Concentration Risk, Percentage		39.00%
Cost of Goods and Service Benchmark [Member] \| Supplier Concentration Risk [Member] \| Customer Three [Member]
Concentration Risk, Percentage		12.00%
Cost of Goods and Service Benchmark [Member] \| Supplier Concentration Risk [Member] \| One Supplier [Member]
Concentration Risk, Percentage	12.00%