Related Party Transactions - Sales and Purchases To and From Related Parties (Details) - Sales And Purchases To And From Related Parties - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Related Party Transaction [Line Items]
Net revenue	$ 198	$ 1,770
Cost of revenue	188	1,665
Research and product development	91	307
Selling, marketing, general and administrative	328	420
Interest expense, net		132
Other expenses	17	85
DASAN | Majority Shareholder
Related Party Transaction [Line Items]
Net revenue	198	1,770
Cost of revenue	177	1,655
Research and product development	90	261
Selling, marketing, general and administrative	317	402
Interest expense, net		132
Other expenses	17	85
DASAN | Affiliated Entity
Related Party Transaction [Line Items]
Cost of revenue		10
Research and product development		46
Selling, marketing, general and administrative		$ 18
DS | Affiliated Entity
Related Party Transaction [Line Items]
Cost of revenue	11
Research and product development	1
Selling, marketing, general and administrative	$ 11