XML 15 R25.htm IDEA: XBRL DOCUMENT v2.4.1.9
Commitments (Details) (USD $)
1 Months Ended
Nov. 30, 2010
Oct. 31, 2009
sqft
Aug. 31, 2013
sqft
Mar. 31, 2015
Sep. 30, 2005
sqft
Jan. 31, 2007
sqft
Jul. 31, 2014
sqft
May 31, 2014
sqft
May 31, 2010
sqft
Non-cancelable commitments under operating leases                  
2015 (remainder of year)       $ 2,958,000us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear          
2016       3,872,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears          
2017       3,867,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears          
2018       2,476,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears          
2019       504,000us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears          
Total minimum payments       13,677,000us-gaap_OperatingLeasesFutureMinimumPaymentsDue          
Leased laboratory and office space located in Redwood City, California                  
Non-cancelable operating leases                  
Area leased under non-cancelable operating lease agreement (in square feet)         48,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ghdx_LaboratoryAndOfficeSpaceLocation1Member
       
Period of time for which entity has an option to extend lease term 5 years                
Lease incentive obligations         834,000us-gaap_LeaseIncentivePayableCurrentAndNoncurrent
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ghdx_LaboratoryAndOfficeSpaceLocation1Member
       
Leased laboratory and office space located near the leased facility in Redwood City, California                  
Non-cancelable operating leases                  
Area leased under non-cancelable operating lease agreement (in square feet)           48,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ghdx_LaboratoryAndOfficeSpaceLocation2Member
     
Period of time for which entity has an option to extend lease term 5 years                
Lease incentive obligations           283,000us-gaap_LeaseIncentivePayableCurrentAndNoncurrent
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ghdx_LaboratoryAndOfficeSpaceLocation2Member
     
Leased office space located near the leased facility in Redwood City, California                  
Non-cancelable operating leases                  
Area leased under non-cancelable operating lease agreement (in square feet)   30,500us-gaap_AreaOfRealEstateProperty
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ghdx_OfficeSpaceLocation1Member
             
Period of time for which entity has an option to extend lease term   5 years              
Lease incentive obligations   307,000us-gaap_LeaseIncentivePayableCurrentAndNoncurrent
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ghdx_OfficeSpaceLocation1Member
             
Second leased laboratory and office space located near the leased facility in Redwood City, California                  
Non-cancelable operating leases                  
Area leased under non-cancelable operating lease agreement (in square feet)     18,400us-gaap_AreaOfRealEstateProperty
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ghdx_LaboratoryAndOfficeSpaceLocation3Member
           
Period of time for which entity has an option to extend lease term     5 years            
Additional area leased (in square feet)             5,500ghdx_AreaOfRealPropertyAdditionalSpaceLeasedUnderLeaseAgreement
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ghdx_LaboratoryAndOfficeSpaceLocation3Member
   
Lease incentive obligations             $ 358,000us-gaap_LeaseIncentivePayableCurrentAndNoncurrent
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ghdx_LaboratoryAndOfficeSpaceLocation3Member
   
Leased office space located in Geneva, Switzerland | European subsidiary                  
Non-cancelable operating leases                  
Area leased under non-cancelable operating lease agreement (in square feet)                 2,500us-gaap_AreaOfRealEstateProperty
/ dei_LegalEntityAxis
= ghdx_EuropeanSubsidiaryMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ghdx_OfficeSpaceLocation2Member
Additional area leased (in square feet)               5,000ghdx_AreaOfRealPropertyAdditionalSpaceLeasedUnderLeaseAgreement
/ dei_LegalEntityAxis
= ghdx_EuropeanSubsidiaryMember
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= ghdx_OfficeSpaceLocation2Member