Intangible Assets, net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Finite-Lived Intangible Assets, Net [Abstract]
Balance	$ 16,100		$ 16,100
Accumulated amortization	(9,403)		(9,403)
Intangible assets, net	6,697		6,697
Amortization expense of intangible assets	353	$ 453	1,258	$ 1,358
Impairment of intangible assets	0		0
Estimated amortization expense [Abstract]
Remaining 2020	352		352
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	6,697		6,697
Core Technology [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Balance	5,700		5,700
Accumulated amortization	(2,993)		(2,993)
Intangible assets, net	2,707		2,707
Estimated amortization expense [Abstract]
Intangible assets, net	2,707		2,707
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	(3,623)		(3,623)
Intangible assets, net	3,277		3,277
Estimated amortization expense [Abstract]
Intangible assets, net	3,277		3,277
Tradenames [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Balance	1,500		1,500
Accumulated amortization	(787)		(787)
Intangible assets, net	713		713
Estimated amortization expense [Abstract]
Intangible assets, net	$ 713		$ 713