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Convertible Notes Payable (Details Narrative) (USD $)
3 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Apr. 15, 2015
Dec. 31, 2014
Dec. 31, 2013
Aug. 31, 2012
May 30, 2012
Jul. 31, 2013
Shares issued to note holders 815,061us-gaap_DebtConversionConvertedInstrumentSharesIssued1 2,601,233us-gaap_DebtConversionConvertedInstrumentSharesIssued1        
Note payable   $ 44,000us-gaap_LongTermNotesPayable $ 44,000us-gaap_LongTermNotesPayable      
Gain on settlement of accounts payable   (62,150)us-gaap_GainsLossesOnExtinguishmentOfDebt 16,850us-gaap_GainsLossesOnExtinguishmentOfDebt      
Notes cancelled   217,000QTXB_NotesCancelled        
Assignment of FPMI warrants by Company   155,877QTXB_AssignmentOfFpmiWarrantsByCompany        
Fees cancelled   93,924QTXB_ProfessionalAndContractServicesExpenseCancelled        
Note issued in payment of fees   870,693us-gaap_ProfessionalAndContractServicesExpense        
2012 Notes [Member]            
Shares isseud, price per share   $ 0.50us-gaap_EquityIssuancePerShareAmount
/ us-gaap_DebtInstrumentAxis
= QTXB_The2012NotesMember
  $ 0.50us-gaap_EquityIssuancePerShareAmount
/ us-gaap_DebtInstrumentAxis
= QTXB_The2012NotesMember
$ 0.50us-gaap_EquityIssuancePerShareAmount
/ us-gaap_DebtInstrumentAxis
= QTXB_The2012NotesMember
 
Warrants issued   260,508us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
/ us-gaap_DebtInstrumentAxis
= QTXB_The2012NotesMember
  155,877us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
/ us-gaap_DebtInstrumentAxis
= QTXB_The2012NotesMember
113,127us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
/ us-gaap_DebtInstrumentAxis
= QTXB_The2012NotesMember
 
Debt discount   106,261QTXB_DebtInstrumentUnamortizedDiscount1
/ us-gaap_DebtInstrumentAxis
= QTXB_The2012NotesMember
       
Expenses of the beneficial conversion feature   28,998us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature
/ us-gaap_DebtInstrumentAxis
= QTXB_The2012NotesMember
       
Debt discount Interest expense   21,905us-gaap_InterestExpenseLongTermDebt
/ us-gaap_DebtInstrumentAxis
= QTXB_The2012NotesMember
       
Beneficial conversion feature Interest expense   3,777QTXB_BeneficialConversionFeatureInterestExpense
/ us-gaap_DebtInstrumentAxis
= QTXB_The2012NotesMember
       
Notes cancelled   217,000QTXB_NotesCancelled
/ us-gaap_DebtInstrumentAxis
= QTXB_The2012NotesMember
       
Assignment of FPMI warrants by Company   100,000QTXB_AssignmentOfFpmiWarrantsByCompany
/ us-gaap_DebtInstrumentAxis
= QTXB_The2012NotesMember
       
Fees cancelled   216,000QTXB_ProfessionalAndContractServicesExpenseCancelled
/ us-gaap_DebtInstrumentAxis
= QTXB_The2012NotesMember
       
Note issued in payment of fees   250,000us-gaap_ProfessionalAndContractServicesExpense
/ us-gaap_DebtInstrumentAxis
= QTXB_The2012NotesMember
       
2013 Notes [Member]            
Shares issued to note holders           200,000us-gaap_DebtConversionConvertedInstrumentSharesIssued1
/ us-gaap_DebtInstrumentAxis
= QTXB_The2013NotesMember
Shares isseud, price per share           $ 0.50us-gaap_EquityIssuancePerShareAmount
/ us-gaap_DebtInstrumentAxis
= QTXB_The2013NotesMember
Warrants issued           64,000us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
/ us-gaap_DebtInstrumentAxis
= QTXB_The2013NotesMember
Warrant exercise price   $ 1.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_DebtInstrumentAxis
= QTXB_The2013NotesMember
       
Expenses of the beneficial conversion feature           27,753us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature
/ us-gaap_DebtInstrumentAxis
= QTXB_The2013NotesMember
Note payable   114,000us-gaap_LongTermNotesPayable
/ us-gaap_DebtInstrumentAxis
= QTXB_The2013NotesMember
       
Bridge Loan [Member]            
Shares issued to note holders   772,000us-gaap_DebtConversionConvertedInstrumentSharesIssued1
/ us-gaap_DebtInstrumentAxis
= us-gaap_BridgeLoanMember
       
Debt discount   35,944QTXB_DebtInstrumentUnamortizedDiscount1
/ us-gaap_DebtInstrumentAxis
= us-gaap_BridgeLoanMember
       
Expenses of the beneficial conversion feature   48,444us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature
/ us-gaap_DebtInstrumentAxis
= us-gaap_BridgeLoanMember
       
Note payable   386,000us-gaap_LongTermNotesPayable
/ us-gaap_DebtInstrumentAxis
= us-gaap_BridgeLoanMember
       
Debt discount Interest expense   26,958us-gaap_InterestExpenseLongTermDebt
/ us-gaap_DebtInstrumentAxis
= us-gaap_BridgeLoanMember
       
Beneficial conversion feature Interest expense   36,333QTXB_BeneficialConversionFeatureInterestExpense
/ us-gaap_DebtInstrumentAxis
= us-gaap_BridgeLoanMember
       
Note issuance fees   46,000us-gaap_DebtIssuanceCosts
/ us-gaap_DebtInstrumentAxis
= us-gaap_BridgeLoanMember
       
Gain on settlement of accounts payable   $ 34,263us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_DebtInstrumentAxis
= us-gaap_BridgeLoanMember