ShareBased Compensation (Details 3) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Share-based compensation	$ 1,711	$ 1,759	$ 3,584	$ 3,788
Cost of Sales [Member]
Share-based compensation	42	34	75	60
Sales and Marketing [Member]
Share-based compensation	242	144	474	263
Research and Development [Member]
Share-based compensation	134	127	272	250
General and Administrative [Member]
Share-based compensation	$ 1,293	$ 1,454	$ 2,763	$ 3,215