Unaudited Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net revenue	$ 91,080	$ 82,700	$ 168,120	$ 163,731
Cost of revenue	66,137	55,622	116,352	108,558
Gross profit	24,943	27,078	51,768	55,173
Operating expenses:
Research and product development	12,348	11,962	24,192	23,081
Selling, marketing, general and administrative	20,513	18,256	38,255	50,080
Restructuring and other charges	356	(908)	792	5,344
Impairment of long-lived assets				1,735
Amortization of intangible assets	464	314	758	576
Total operating expenses	33,681	29,624	63,997	80,816
Operating loss	(8,738)	(2,546)	(12,229)	(25,643)
Interest income	36	19	73	61
Interest expense	(200)	(28)	(327)	(277)
Other income (expense), net	(63)	(261)	(863)	711
Loss before income taxes	(8,965)	(2,816)	(13,346)	(25,148)
Income tax provision (benefit)	(2,937)	463	(4,270)	1,356
Net loss	(6,028)	(3,279)	(9,076)	(26,504)
Foreign currency translation adjustments	(4,639)	216	(4,907)	(2,054)
Actuarial loss		83		55
Comprehensive loss	$ (10,667)	$ (2,980)	$ (13,983)	$ (28,503)
Net loss per share
Basic	$ (0.22)	$ (0.12)	$ (0.33)	$ (1.01)
Diluted	$ (0.22)	$ (0.12)	$ (0.33)	$ (1.01)
Weighted average shares outstanding
Basic	27,657	26,982	27,593	26,120
Diluted	27,657	26,982	27,593	26,120