Information About Geographic Areas - Narrative (Details) $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting [Abstract]
Number of reporting segment \| segment	1
Product Information [Line Items]
Sales to customers	$ 130,581	$ 138,144	$ 117,243
Revenue from Contract with Customer \| Customer Concentration Risk \| 5 Largest Customers
Product Information [Line Items]
Concentration risk, percentage	23.00%	23.00%	17.00%
United States \| Revenue from Contract with Customer \| Geographic Concentration Risk
Product Information [Line Items]
Sales to customers	$ 60,200	$ 72,000	$ 43,400
Concentration risk, percentage	46.00%	52.00%	37.00%
China \| Revenue from Contract with Customer \| Geographic Concentration Risk
Product Information [Line Items]
Sales to customers			$ 15,400
Concentration risk, percentage	10.00%	10.00%	13.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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