Share-Based Payments - Schedule of Stock-Based Compensation Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation costs	$ 4,897	$ 61	$ 9,269	$ 9,115
Cost of products
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation costs	2	4	6	12
Cost of services
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation costs	35	52	64	117
Research and development
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation costs	364	1,360	953	2,701
Selling, general and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation costs	4,496	(1,900)	9,592	4,934
Discontinued operations
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation costs	$ 0	$ 545	$ (1,346)	$ 1,351