ValveXchange (Details) (USD $)			1 Months Ended	6 Months Ended			3 Months Ended			1 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jul. 31, 2011 ValveXchange, Inc. [Member]	Jun. 30, 2014 ValveXchange, Inc. [Member]	Dec. 31, 2013 ValveXchange, Inc. [Member]	Dec. 31, 2012 ValveXchange, Inc. [Member]	Dec. 31, 2013 Series A Preferred Stock [Member] ValveXchange, Inc. [Member]	Jun. 30, 2014 Series A Preferred Stock [Member] ValveXchange, Inc. [Member]	Jul. 31, 2011 Series A Preferred Stock [Member] ValveXchange, Inc. [Member]	Apr. 30, 2014 Series B Preferred Stock [Member] ValveXchange, Inc. [Member]	Jun. 30, 2014 Series B Preferred Stock [Member] ValveXchange, Inc. [Member]
Schedule of Cost-method Investments [Line Items]
Preferred stock purchased, value									$ 3,500,000
Preferred stock, written down investment							3,200,000
Preferred stock carrying value							0	0
Loans receivable, revolving credit line, maximum capacity			2,000,000
Loans receivable, revolving credit line, expiration date				Jul. 30, 2018
Loans receivable, revolving credit line, interest rate			8.00%
Loan origination costs net of fees			117,000
Amount of loan advanced	2,000,000	2,000,000		2,000,000	2,000,000	2,000,000
Percentage of any amounts in excess of agreed upon amount from fundraising to be paid to Cryolife										10.00%
Minimum amount raised before 10% of amounts raised in excess are paid to Cryolife										1,250,000
Amount raised											$ 1,700,000