Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 18,767	$ 17,770
Accumulated depreciation	(10,128)	(9,865)
Property and equipment, net	8,639	7,905
Depreciation	600
Depreciation	600
Computer equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	2,476	2,477
Technical equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	3,740	3,681
Facilities
Property, Plant and Equipment [Line Items]
Total property and equipment	3,686	3,883
Instruments
Property, Plant and Equipment [Line Items]
Total property and equipment	8,247	7,491
Capital projects in progress
Property, Plant and Equipment [Line Items]
Total property and equipment	618	238
Assets under operating leases
Property, Plant and Equipment [Line Items]
Total property and equipment	5,200	4,600
Accumulated depreciation	$ (1,000)	$ (800)