Note 18 - Concentration of Risk (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

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

	Customer A	Customer B	Customer C	Customer D	Customer E	Customer F
Six Months Ended June 30, 2022
Revenues, customer concentration risk	*	-	*	*	*	-
Three Months Ended June 30, 2022
Revenues, customer concentration risk	11%	-	*	*	*	-
Six Months Ended June 30, 2021
Revenues, customer concentration risk	-	14%	11%	*	*	*
Three Months Ended June 30, 2021
Revenues, customer concentration risk	-	12%	14%	*	*	*
As of June 30, 2022
Accounts receivable, customer concentration risk	-	-	19%	37%	30%	-
As of December 31, 2021
Accounts receivable, customer concentration risk	-	-	11%	33%	32%	19%

	Supplier A	Supplier B
Six Months Ended June 30, 2022
Cost of revenues, supplier concentration risk	47%	35%
Three Months Ended June 30, 2022
Cost of revenues, supplier concentration risk	74%	*
Six Months Ended June 30, 2021
Cost of revenues, supplier concentration risk	12%	73%
Three Months Ended June 30, 2021
Cost of revenues, supplier concentration risk	*	86%