Note 5 - Concentrations (Tables)

3 Months Ended

Mar. 31, 2023

Accounts Receivable [Member]

Notes Tables

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	March 31,			December 31,
	2023			2022
Customer A		20	%		15	%
Customer B		-	%		11	%
Customer C		14	%		-	%

Inventory Purchases [Member]

Notes Tables

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	For the three months ended
	March 31,
	2023			2022
Vendor A		-	%		35	%
Vendor B		66	%		28	%
Vendor C		-	%		13	%
Vendor D		12	%		-	%