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Subsequent Events (Details) (Subsequent Event [Member], Lorem Vascular [Member], USD $)
In Millions, unless otherwise specified
 0 Months Ended
Nov. 04, 2013
Installment
Subsequent Event [Member] | Lorem Vascular [Member]
  
Subsequent Event [Line Items]  
License fees Lorem Vascular committed to pay $ 500
Initial product purchase commitments 7
Upfront payment to be received in equity and initial purchase commitment 24
Shares of unregistered stock purchased (in shares) 8
Total commitment through equity purchases 24
Number of installments in equity purchases 2
Installment payment in equity purchases 12
Total purchase commitment from Lorem 7
First purchase commitment 2
Second purchase commitment $ 5