Note 20 - Concentration of Risk (Tables)

9 Months Ended

Sep. 30, 2020

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
Nine Months Ended September 30, 2020
Revenues, customer concentration risk	*	*	16%	*	*	-
Three Months Ended September 30, 2020
Revenues, customer concentration risk	*	*	21%	*	*	-
Nine Months Ended September 30, 2019
Revenues, customer concentration risk	11%	*	*	-	-	*
Three Months Ended September 30, 2019
Revenues, customer concentration risk	*	*	*	-	-	10%
As of September 30, 2020
Accounts receivable, customer concentration risk	33%	*	*	27%	15%	-
As of December 31, 2019
Accounts receivable, customer concentration risk	57%	13%	12%	-	-	-

	Supplier A
Nine Months Ended September 30, 2020
Cost of revenues, supplier concentration risk	78%
Three Months Ended September 30, 2020
Cost of revenues, supplier concentration risk	78%
Nine Months Ended September 30, 2019
Cost of revenues, supplier concentration risk	90%
Three Months Ended September 30, 2019
Cost of revenues, supplier concentration risk	88%