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Component: (Network and Table)
Network
100520 - Disclosure - Warrants - Components of Common Stock Warrants Outstanding (Detail)
(http://www.caredxinc.com/20151231/taxonomy/role/DisclosureWarrantsComponentsOfCommonStockWarrantsOutstandingDetail)
TableClass Of Warrant Or Right [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001217234 (http://www.sec.gov/CIK)
Statement Equity ComponentsCommon Stock [Member]
Class Of Warrant Or Right [Line Items]Period [Axis]
2015-01-01 - 2015-12-31
2015-01-30
Class Of Warrant Or RightClass Of Warrant Or Right
Class Of Warrant Or Right Issued on July 2006 [Member]Class Of Warrant Or Right Issued on November 2006 [Member]Class Of Warrant Or Right Issued on February 2008 [Member]Class Of Warrant Or Right Issued on August 2009 [Member]Class Of Warrant Or Right Issued on July 2010 [Member]Class Of Warrant Or Right Issued on January 2015 [Member]Class Of Warrant Or RightClass Of Warrant Or Right
Issue Date
2006-07  
2006-11  
2008-02  
2009-08  
2010-07  
2015-01  
  
Original Term
P10Y  
P10Y  
P10Y  
P10Y  
P9Y  
P5Y  
  
Exercise Price
31.72  
31.72  
35.07  
21.78  
21.78  
6.96  
 
6.96  
Number of Shares Underlying Warrants
17,656  
1,576  
22,792  
33,472  
6,694  
34,483  
116,673