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INTELLECTUAL PROPERTY LICENSE (Details) (Boston Childrens Hospital Bch License [Member], USD $)
In Thousands, unless otherwise specified
0 Months Ended
Dec. 31, 2011
Dec. 31, 2014
Dec. 31, 2011
Boston Childrens Hospital Bch License [Member]
     
Intellectual Property License      
Useful life 15 years    
Initial license fee paid $ 75nviv_InitialFeePaidForToAcquireLicense
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= nviv_BostonChildrensHospitalBchLicenseMember
   
Additional License Fee Paid for expansion 75nviv_AdditionalAmountPaidForExpansionOfLicenseCapitalized
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= nviv_BostonChildrensHospitalBchLicenseMember
   
Accrued Milestone payment 50nviv_AccruedMilestonePaymentsForLicenseAcquired
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= nviv_BostonChildrensHospitalBchLicenseMember
  50nviv_AccruedMilestonePaymentsForLicenseAcquired
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= nviv_BostonChildrensHospitalBchLicenseMember
Capitalized license fees and milestone payments   $ 200us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= nviv_BostonChildrensHospitalBchLicenseMember