Acquisition of Stability Inc. - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 13, 2016	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Business Acquisition [Line Items]
Amortization of intangible assets		$ 631	$ 234	$ 1,889	$ 699
Net income		3,406	$ 4,253	7,074	12,227
Fair Value Adjustment to Inventory
Business Acquisition [Line Items]
Net income					1,471
Pro Forma
Business Acquisition [Line Items]
Amortization of intangible assets					$ 1,186
Stability Biologics, LLC
Business Acquisition [Line Items]
Cash paid at closing	$ 6,000
Common stock issued	$ 3,346
Common stock issued (in shares)	441,009
Assumed debt	$ 1,771
Acquisition related costs	1,088
Fair value of earn-out	25,620	$ 25,620		$ 25,620
Stability Biologics, LLC | Selling, general and administrative
Business Acquisition [Line Items]
Acquisition related costs	$ 1,088