Rendering

Component: (Network and Table)
Network
100630 - Disclosure - Income Taxes - Schedule of Reconciliation of Unrecognized Tax Benefits (Detail)
(http://www.caredxinc.com/20151231/taxonomy/role/DisclosureIncomeTaxesScheduleOfReconciliationOfUnrecognizedTaxBenefitsDetail)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001217234 (http://www.sec.gov/CIK)
Reconciliation Of Unrecognized Tax Benefits Excluding Amounts Pertaining To Examined Tax Returns Roll ForwardPeriod [Axis]
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
2013-01-01 - 2013-12-31
Reconciliation Of Unrecognized Tax Benefits Excluding Amounts Pertaining To Examined Tax Returns Roll Forward
 
 
 
Balance at beginning of year
2,054,000  
2,196,000  
1,159,000  
Additions based on tax positions related to current year
372,000  
83,000  
177,000  
Additions (reductions) based on tax positions related to prior years
5,000  
(225,000) 
860,000  
Balance at end of year
2,431,000  
 
2,054,000  
 
2,196,000