Note 2 - Liquidity and Summary of Significant Accounting Principles - Summary of Concentration Risk (Details) - Customer Concentration Risk [Member]	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Customer A [Member] | Accounts Receivable [Member]
Concentration percentage		11.00%	19.00%
Customer F [Member] | Revenue Benchmark [Member]
Concentration percentage	14.00%
Customer G [Member] | Revenue Benchmark [Member]
Concentration percentage	12.00%
Customer B [Member] | Accounts Receivable [Member]
Concentration percentage			17.00%
Customer H [Member] | Revenue Benchmark [Member]
Concentration percentage	10.00%
Customer C [Member] | Accounts Receivable [Member]
Concentration percentage			16.00%
Customer D [Member] | Accounts Receivable [Member]
Concentration percentage			14.00%
Customer E [Member] | Accounts Receivable [Member]
Concentration percentage			12.00%