Note 9 - Concentrations (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

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

Accounts Receivable	March 31, 2023			December 31, 2022
Customer 1		20	%		15	%
Customer 2		16	%		-
Customer 3		1	%		27	%
Customer 4		-			29	%

	Three Months Ended March 31,
Revenues	2023			2022
Customer 1		33	%		48	%
Customer 2		16	%		-