Note 5 - Concentrations (Tables)

12 Months Ended

Dec. 31, 2021

Inventory Purchases [Member]

Notes Tables

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

	For the years ended
	December 31,
	2021			2020
Vendor A		31	%		25	%
Vendor B		-			27	%
Vendor C		-			26	%
Vendor D		-			12	%
Vendor E		42	%		-

	For the years ended
	December 31,
	2021			2020
Customer A		-			17	%
Customer B		-			10	%
Customer C		27	%		-