Basis of Presentation and Summary of Significant Accounting Policies (Goodwill and Other Identifiable Intangible Assets) (Details) - USD ($)		1 Months Ended	3 Months Ended				6 Months Ended		12 Months Ended
		Jun. 30, 2017	Jun. 30, 2017		Mar. 31, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016	May 03, 2016
Summary of Goodwill and Other Identifiable Intangible Assets
Goodwill		$ 72,207,000	$ 72,207,000				$ 72,207,000		$ 72,207,000
Total goodwill and other identifiable intangible assets, net		271,491,000	271,491,000				271,491,000		276,912,000
Revenues			27,995,000			$ 19,521,000	57,264,000	$ 49,169,000
Net income			$ 6,058,000			$ (6,170,000)	$ 11,137,000	$ 438,000
Earnings per diluted share (in usd per share)			$ 0.26	[1]		$ (0.30)	$ 0.48	$ 0.02
Complete technology
Summary of Goodwill and Other Identifiable Intangible Assets
Definite lived intangible assets		182,577,000	$ 182,577,000				$ 182,577,000		182,577,000
Less: Accumulated amortization		(17,407,000)	(17,407,000)				(17,407,000)		(12,792,000)
Trade name
Summary of Goodwill and Other Identifiable Intangible Assets
Definite lived intangible assets		2,642,000	2,642,000				2,642,000		2,642,000
Less: Accumulated amortization		(850,000)	(850,000)				(850,000)		(784,000)
Customer relationships
Summary of Goodwill and Other Identifiable Intangible Assets
Definite lived intangible assets		29,600,000	29,600,000				29,600,000		29,600,000
Less: Accumulated amortization		(9,524,000)	(9,524,000)				(9,524,000)		(8,784,000)
Commercial license rights
Summary of Goodwill and Other Identifiable Intangible Assets
Definite lived intangible assets		22,962,000	22,962,000				22,962,000		25,821,000
Royalty agreements
Summary of Goodwill and Other Identifiable Intangible Assets
Royalties (percent)										20.00%
Acquired in-process research and development
Summary of Goodwill and Other Identifiable Intangible Assets
Acquired in-process research and development		12,246,000	12,246,000				12,246,000		12,246,000
Aziyo | Royalty agreements
Summary of Goodwill and Other Identifiable Intangible Assets
Royalties received		5,000,000	5,000,000				5,000,000
Royalties receivable		$ 5,000,000	$ 5,000,000				$ 5,000,000
Royalties (percent)		5.00%	5.00%				5.00%
Additional royalties receivable under sales-based milestones		$ 10,000,000	$ 10,000,000				$ 10,000,000
Royalties, extended term							1 year
Forecasted Cash Flows, Effective Interest Rate, Percent							26.00%
CorMatrix | Commercial license rights
Summary of Goodwill and Other Identifiable Intangible Assets
Definite lived intangible assets		$ 14,431,000	$ 14,431,000				$ 14,431,000		17,284,000
CorMatrix | Royalty agreements
Summary of Goodwill and Other Identifiable Intangible Assets
Royalties (percent)		5.00%	5.00%				5.00%
Royalty agreement, expiration period							10 years
Selexis | Commercial license rights
Summary of Goodwill and Other Identifiable Intangible Assets
Definite lived intangible assets		$ 8,531,000	$ 8,531,000				$ 8,531,000		8,537,000
Current Period Overstatement
Summary of Goodwill and Other Identifiable Intangible Assets
Revenues			1,700,000				1,300,000
Net income			$ 1,100,000				$ 800,000
Earnings per diluted share (in usd per share)	[1]		$ 0.05				$ 0.04
Previously Reported Understatement
Summary of Goodwill and Other Identifiable Intangible Assets
Revenues					$ 400,000				1,300,000
Net income					$ 300,000				$ 800,000
Earnings per diluted share (in usd per share)	[1]				$ 0.01				$ 0.04

[1] The sum of net income per share amounts may not equal the totals due to rounding.