Note 19 - Concentration of Risk - Company's Concentration of Customers and Suppliers (Details)		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021
Cost Of Sales Total [Member] | Supplier Concentration Risk [Member] | Supplier A [Member]
Concentration risk		57.00%
Cost Of Sales Total [Member] | Supplier Concentration Risk [Member] | Supplier B [Member]
Concentration risk		20.00%	73.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer A [Member]
Concentration risk		16.00%	33.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer B [Member]
Concentration risk		16.00%	32.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer C [Member]
Concentration risk		33.00%	11.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer D [Member]
Concentration risk		24.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer E [Member]
Concentration risk	[1]		19.00%

[1] Less than 10%.