Acquisition of Stability Inc. - Narrative (Details)		3 Months Ended	12 Months Ended
	Jan. 13, 2016 USD ($) shares	Mar. 31, 2016 USD ($)	Dec. 31, 2017	Dec. 31, 2016 USD ($) Business_Segment	Dec. 31, 2016 USD ($)	Dec. 31, 2016 USD ($) segment	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Business Acquisition [Line Items]
Gross profit margin multiplier					1
Net sales for earn-out period (less than)							$ 12,000,000
Gross profit margin multiplier, low					0.5
Amortization of intangible assets							2,127,000	$ 933,000	$ 928,000
Net income							12,611,000	24,960,000
Number of business segments				1		1
Fair Value Adjustment to Inventory
Business Acquisition [Line Items]
Net income								1,485,000
Forecast
Business Acquisition [Line Items]
Gross profit margin multiplier			1
Pro Forma
Business Acquisition [Line Items]
Amortization of intangible assets								$ 1,176,000
Stability Biologics, LLC
Business Acquisition [Line Items]
Cash paid at closing	$ 6,000,000	$ 6,000,000					6,000,000
Fair Value of Equity Consideration Transferred	$ 3,345,935	3,346,000					3,346,000
Common stock issued (in shares) | shares	441,009
Assumed debt	$ 1,771,000	1,771,000					1,771,000
Acquisition related costs	1,088,000
Fair value of earn-out	17,450,000	$ 25,620,000		$ 17,450,000	$ 17,450,000	$ 17,450,000	$ 17,450,000
Stability Biologics, LLC | Selling, general and administrative
Business Acquisition [Line Items]
Acquisition related costs	$ 1,088,000