Note 17 - Concentration of Risk - Company's Concentration of Customers and Suppliers (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Cost Of Sales Total [Member] | Supplier Concentration Risk [Member] | Supplier A [Member]
Accounts receivable, customer concentration risk	50.00%	78.00%
Cost Of Sales Total [Member] | Supplier Concentration Risk [Member] | Supplier B [Member]
Accounts receivable, customer concentration risk	12.00%
Cost Of Sales Total [Member] | Supplier Concentration Risk [Member] | Supplier C [Member]
Accounts receivable, customer concentration risk		14.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer B [Member]
Accounts receivable, customer concentration risk	31.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer C [Member]
Accounts receivable, customer concentration risk	43.00%		56.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer D [Member]
Accounts receivable, customer concentration risk	22.00%		19.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Customer A [Member]
Accounts receivable, customer concentration risk			11.00%