Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Total revenue	$ 1,118	$ 583	$ 3,568	$ 2,272
North America [Member]
Total revenue	1,014	561	3,188	2,120
Asia [Member]
Total revenue	91	14	359	134
Other [Member]
Total revenue	$ 13	$ 8	$ 21	$ 18