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Cardiogenesis Acquisition (Business Acquisition Purchase Price Allocation) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011 Cardiogenesis [Member]	May 17, 2011 Cardiogenesis [Member]
Business Acquisition [Line Items]
Cash and cash equivalents			$ 650
Receivables			1,055
Inventories			852
Property and equipment			248
Intangible assets			11,900
Goodwill	11,365	11,365	4,220
Net deferred tax assets			5,002
Other assets			230
Liabilities assumed			(2,445)
Total purchase price			$ 21,712	$ 21,700