Summary of Significant Accounting Policies - Revenue by Timing of Transfer of Goods or Services (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Total revenue	$ 16,854	$ 11,309
Goods or services transferred at a point in time
Disaggregation of Revenue [Line Items]
Total revenue	7,992	5,120
Goods or services transferred over time
Disaggregation of Revenue [Line Items]
Total revenue	$ 8,862	$ 6,189