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Property and Equipment - Instruments at Cost and Accumulated Depreciation, Lessor (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Property, Plant and Equipment [Abstract]    
Instruments at cost under operating leases $ 2,547 $ 3,110
Accumulated depreciation under operating leases (1,014) (1,165)
Net property and equipment under operating leases $ 1,533 $ 1,945