Equity Compensation Plans (Details 5) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Total non-cash stock compensation	$ 10,063	$ 487
Cost of revenues [Member]
Total non-cash stock compensation	663
Marketing and sales [Member]
Total non-cash stock compensation	4,285
General and administrative [Member]
Total non-cash stock compensation	4,356	487
Research and development [Member]
Total non-cash stock compensation	$ 759