Intangible Assets, net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Finite-Lived Intangible Assets, Net [Abstract]
Balance	$ 16,100		$ 16,100
Accumulated amortization	(10,460)		(10,460)
Intangible assets, net	5,640		5,640
Amortization expense of intangible assets	353	$ 453	705	$ 905
Impairment of intangible assets			0
Estimated amortization expense [Abstract]
Remaining 2021	705		705
2022	1,410		1,410
2023	1,410		1,410
2024	1,410		1,410
2025	705		705
Intangible assets, net	5,640		5,640
Core Technology [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Balance	5,700		5,700
Accumulated amortization	(3,420)		(3,420)
Intangible assets, net	2,280		2,280
Estimated amortization expense [Abstract]
Intangible assets, net	2,280		2,280
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	(4,140)		(4,140)
Intangible assets, net	2,760		2,760
Estimated amortization expense [Abstract]
Intangible assets, net	2,760		2,760
Tradenames [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Balance	1,500		1,500
Accumulated amortization	(900)		(900)
Intangible assets, net	600		600
Estimated amortization expense [Abstract]
Intangible assets, net	$ 600		$ 600