Fair Value Measurements Fair value hierarchy the Company’s financial assets and liabilities (Details) (USD $)												6 Months Ended
	Jun. 30, 2014	May 08, 2014	Dec. 31, 2013	Jun. 30, 2014 Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2013 Fair Value, Inputs, Level 1 [Member]	Jun. 30, 2014 Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2013 Fair Value, Inputs, Level 2 [Member]	Jun. 30, 2014 Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2013 Fair Value, Inputs, Level 3 [Member]	Jun. 30, 2014 Assets, Total [Member]	Dec. 31, 2013 Assets, Total [Member]	Jun. 30, 2014 Contingent Consideration Classified as Equity [Member]	Dec. 31, 2013 Contingent Consideration Classified as Equity [Member]	Mar. 31, 2014 Amorcyte, LLC [Member]	Dec. 31, 2013 Amorcyte, LLC [Member]	Jun. 30, 2014 Warrants	Dec. 31, 2013 Warrants	Jun. 30, 2014 Contingent Consideration Classified as Equity [Member]	Dec. 31, 2013 Contingent Consideration Classified as Equity [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Acquisition-related contingent consideration	$ 20,640,000	$ 10,800,000	$ 9,450,000									$ 20,640,000	$ 9,450,000	$ 9,900,000	$ 9,500,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		90,000,000
Business Combination, Contingent Consideration Arrangements, Basis for Amount												10790.0
Available-for-sale Securities	920,800		0	0	0	920,800	0	0	0
Marketable securities	920,827		0	0	0	920,800	0	0	0	920,800	0
Warrant Derivative Liabilities	0		23,200	0	0	0	0	0	23,200							0	23,200
Contingent Consideration Classified as Equity, Fair Value Disclosure				0	0	0	0	20,640,000	9,450,000									20,640,000	9,450,000
Accrued Liabilities and Other Liabilities	$ 20,640,000		$ 9,473,200	$ 0	$ 0	$ 0	$ 0	$ 20,640,000	$ 9,473,200