Stability Biologics, LLC - Summary of Assets Transferred and Consideration Received (Details) - USD ($) $ in Thousands		12 Months Ended
	Sep. 30, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jan. 13, 2016
Consideration received
Extinguishment of earn out liability		$ 0	$ (3,560)	$ (1,650)
Loss on sale		0	(1,048)	0
Goodwill	$ 20,200	$ 19,976	$ 19,976	$ 20,203	$ 16,163
Stability Biologics, LLC | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Assets divested
Trade receivables	2,406
Inventories	3,455
Prepaid expenses and other assets	955
Goodwill	227
Intangible assets	11,857
Property and equipment, net	1,446
Total assets divested	20,346
Liabilities divested
Accounts payable and accrued liabilities	3,488
Total liabilities divested	3,488
Total net assets divested	16,858
Transaction costs	400
Consideration received
Non-trade receivable	150
Note receivable	3,190
Intangible assets	630
Extinguishment of earn out liability	12,240
Total consideration received	16,210
Consideration received	16,200
Loss on sale	(1,048)
Note Receivable | Stability Biologics, LLC | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Consideration received
Consideration received	3,500
Distributor Agreements | Stability Biologics, LLC | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Consideration received
Intangible assets	500
Non-compete Agreements | Stability Biologics, LLC | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Consideration received
Intangible assets	$ 100