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Lines of Credit and Long Term Debt - Long Term Debt Additional Information (Details) (USD $)
12 Months Ended 0 Months Ended 22 Months Ended
Dec. 31, 2014
Mar. 15, 2013
Dec. 31, 2014
Dec. 31, 2013
Debt Instrument [Line Items]        
Long-term debt $ 10,369,000us-gaap_LongTermDebt   $ 10,369,000us-gaap_LongTermDebt $ 1,653,000us-gaap_LongTermDebt
Notes payable to banks | Trans Ova Genetics, LC | American State Bank        
Debt Instrument [Line Items]        
Long-term debt 5,952,000us-gaap_LongTermDebt
/ dei_LegalEntityAxis
= xon_TransOvaGeneticsLcMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_AmericanStateBankMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
  5,952,000us-gaap_LongTermDebt
/ dei_LegalEntityAxis
= xon_TransOvaGeneticsLcMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_AmericanStateBankMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
 
Debt instrument, periodic payment 39,000us-gaap_DebtInstrumentPeriodicPayment
/ dei_LegalEntityAxis
= xon_TransOvaGeneticsLcMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_AmericanStateBankMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
     
Debt instrument, interest rate, stated percentage 3.95%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ dei_LegalEntityAxis
= xon_TransOvaGeneticsLcMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_AmericanStateBankMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
  3.95%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ dei_LegalEntityAxis
= xon_TransOvaGeneticsLcMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_AmericanStateBankMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
 
Notes payable        
Debt Instrument [Line Items]        
Long-term debt 7,653,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
  7,653,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
0us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
Notes payable | Trans Ova Genetics, LC | Iowa Economic Development Authority        
Debt Instrument [Line Items]        
Long-term debt 1,099,000us-gaap_LongTermDebt
/ dei_LegalEntityAxis
= xon_TransOvaGeneticsLcMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_IowaEconomicDevelopmentAuthorityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
  1,099,000us-gaap_LongTermDebt
/ dei_LegalEntityAxis
= xon_TransOvaGeneticsLcMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_IowaEconomicDevelopmentAuthorityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
 
Debt instrument, periodic payment, principal 183,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ dei_LegalEntityAxis
= xon_TransOvaGeneticsLcMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_IowaEconomicDevelopmentAuthorityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
     
Notes payable | Exemplar Genetics, LLC        
Debt Instrument [Line Items]        
Long-term debt 602,000us-gaap_LongTermDebt
/ dei_LegalEntityAxis
= xon_ExemplarGeneticsLLCMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
  602,000us-gaap_LongTermDebt
/ dei_LegalEntityAxis
= xon_ExemplarGeneticsLLCMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
 
Notes payable | Exemplar Genetics, LLC | Minimum        
Debt Instrument [Line Items]        
Debt instrument, periodic payment 1,000us-gaap_DebtInstrumentPeriodicPayment
/ dei_LegalEntityAxis
= xon_ExemplarGeneticsLLCMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
     
Debt instrument, interest rate, stated percentage 0.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ dei_LegalEntityAxis
= xon_ExemplarGeneticsLLCMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
  0.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ dei_LegalEntityAxis
= xon_ExemplarGeneticsLLCMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
 
Notes payable | Exemplar Genetics, LLC | Maximum        
Debt Instrument [Line Items]        
Debt instrument, periodic payment 4,000us-gaap_DebtInstrumentPeriodicPayment
/ dei_LegalEntityAxis
= xon_ExemplarGeneticsLLCMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
     
Debt instrument, interest rate, stated percentage 3.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ dei_LegalEntityAxis
= xon_ExemplarGeneticsLLCMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
  3.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ dei_LegalEntityAxis
= xon_ExemplarGeneticsLLCMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
 
Royalty-based financing        
Debt Instrument [Line Items]        
Long-term debt 1,926,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= xon_RoyaltybasedFinancingMember
  1,926,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= xon_RoyaltybasedFinancingMember
1,653,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= xon_RoyaltybasedFinancingMember
Royalty-based financing | AquaBounty Technologies, Inc. | Atlantic Canada Opportunities Agency        
Debt Instrument [Line Items]        
Long-term debt 1,926,000us-gaap_LongTermDebt
/ dei_LegalEntityAxis
= xon_AquaBountyMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_AtlanticCanadaOpportunitiesAgencyMember
/ us-gaap_LongtermDebtTypeAxis
= xon_RoyaltybasedFinancingMember
  1,926,000us-gaap_LongTermDebt
/ dei_LegalEntityAxis
= xon_AquaBountyMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_AtlanticCanadaOpportunitiesAgencyMember
/ us-gaap_LongtermDebtTypeAxis
= xon_RoyaltybasedFinancingMember
 
Amount available under the grant for research and development   2,470,000xon_AmountAvailableUnderFinancialGrantForResearchAndDevelopment
/ dei_LegalEntityAxis
= xon_AquaBountyMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_AtlanticCanadaOpportunitiesAgencyMember
/ us-gaap_LongtermDebtTypeAxis
= xon_RoyaltybasedFinancingMember
   
Claims period   5 years    
Royalty on products   10.00%xon_RateOfRoyaltyAgreedToBePaid
/ dei_LegalEntityAxis
= xon_AquaBountyMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_AtlanticCanadaOpportunitiesAgencyMember
/ us-gaap_LongtermDebtTypeAxis
= xon_RoyaltybasedFinancingMember
   
Amount claimed   1,952,000xon_AmountClaimedUnderFinancialGrant
/ dei_LegalEntityAxis
= xon_AquaBountyMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_AtlanticCanadaOpportunitiesAgencyMember
/ us-gaap_LongtermDebtTypeAxis
= xon_RoyaltybasedFinancingMember
   
Long-term debt   1,107,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
/ dei_LegalEntityAxis
= xon_AquaBountyMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_AtlanticCanadaOpportunitiesAgencyMember
/ us-gaap_LongtermDebtTypeAxis
= xon_RoyaltybasedFinancingMember
   
Accreted difference between face value of amount drawn and acquisition date fair value   845,000xon_AccretedDifferenceBetweenFaceValueOfAmountDrawnAndAcquisitionDateFairValue
/ dei_LegalEntityAxis
= xon_AquaBountyMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_AtlanticCanadaOpportunitiesAgencyMember
/ us-gaap_LongtermDebtTypeAxis
= xon_RoyaltybasedFinancingMember
   
Proceeds from issuance of debt     $ 767,000us-gaap_ProceedsFromIssuanceOfDebt
/ dei_LegalEntityAxis
= xon_AquaBountyMember
/ us-gaap_LineOfCreditFacilityAxis
= xon_AtlanticCanadaOpportunitiesAgencyMember
/ us-gaap_LongtermDebtTypeAxis
= xon_RoyaltybasedFinancingMember