Intangible Assets, net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Finite-Lived Intangible Assets, Net [Abstract]
Balance	$ 16,100		$ 16,100
Accumulated amortization	(9,050)		(9,050)
Intangible assets, net	7,050		7,050
Amortization expense of intangible assets	453	$ 452	905	$ 905
Impairment of intangible assets	0		0
Estimated amortization expense [Abstract]
Remaining 2020	705		705
2021	1,410		1,410
2022	1,410		1,410
2023	1,410		1,410
2024	1,410		1,410
2025	705		705
Intangible assets, net	7,050		7,050
Core Technology [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Balance	5,700		5,700
Accumulated amortization	(2,850)		(2,850)
Intangible assets, net	2,850		2,850
Estimated amortization expense [Abstract]
Intangible assets, net	2,850		2,850
Product Technology [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Balance	2,000		2,000
Accumulated amortization	(2,000)		(2,000)
Intangible assets, net	0		0
Estimated amortization expense [Abstract]
Intangible assets, net	0		0
Customer Relationships [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Balance	6,900		6,900
Accumulated amortization	(3,450)		(3,450)
Intangible assets, net	3,450		3,450
Estimated amortization expense [Abstract]
Intangible assets, net	3,450		3,450
Tradenames [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Balance	1,500		1,500
Accumulated amortization	(750)		(750)
Intangible assets, net	750		750
Estimated amortization expense [Abstract]
Intangible assets, net	$ 750		$ 750