Intangible Assets, Net - Summary of Identifiable Intangible Asset, Net (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible asset, Accumulated Amortization	$ 5,839	$ 4,260
Intangible asset, Effect of currency translation adjustment	(504)	(390)
Intangible assets Cost/Fair Value	14,976	15,406
Intangible assets Impairments	165	298
Intangible assets, net	8,972	10,848
CDE In- Process Research and Development
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Indefinite-lived intangible asset, Cost/Fair Value	715	1,026
Indefinite-lived intangible asset, Impairments		298
Indefinite-lived intangible asset, Net	715	728
Licensing Agreements
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible asset, Cost/Fair Value	8,935	8,935
Finite-lived intangible asset, Accumulated Amortization	3,184	2,060
Finite-lived intangible asset, Net	5,751	6,875
Polymed Customer List
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible asset, Cost/Fair Value	1,593	1,593
Finite-lived intangible asset, Accumulated Amortization	1,101	938
Finite-lived intangible asset, Net	492	655
Polymed Technology
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible asset, Cost/Fair Value	3,712	3,712
Finite-lived intangible asset, Accumulated Amortization	1,194	999
Finite-lived intangible asset, Net	2,518	2,713
Product Rights
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible asset, Cost/Fair Value	525	530
Finite-lived intangible asset, Accumulated Amortization	360	263
Finite-lived intangible asset, Impairments	$ 165
Finite-lived intangible asset, Net		$ 267