Summary of Accounting Policies - Schedule of Revenue from Contracts with Customer (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	$ 22,593	$ 14,678
L D D
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	13,774	10,159
RxLAL
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers		4,256
Service Warranty Service Contracts And Accessories
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	656	$ 263
L A L
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	$ 8,163