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RELATED PARTY TRANSACTIONS (Detail Textuals) (USD $)
12 Months Ended 0 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Jun. 12, 2012
Nov. 11, 2014
Sep. 11, 2014
Related Party Transaction [Line Items]            
Gross proceeds from sale of common stock $ 2,156,264us-gaap_ProceedsFromIssuanceOfCommonStock $ 3,900,000us-gaap_ProceedsFromIssuanceOfCommonStock $ 2,101,000us-gaap_ProceedsFromIssuanceOfCommonStock      
Mr. Bitzer | Abarta Partners I            
Related Party Transaction [Line Items]            
Shares issued (in shares)       592,943us-gaap_StockIssuedDuringPeriodSharesNewIssues
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= us-gaap_DirectorMember
   
Share issued (Price per share)       $ 2.60us-gaap_SharesIssuedPricePerShare
/ dei_LegalEntityAxis
= apdn_AbartaPartnersIMember
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= us-gaap_DirectorMember
   
Gross proceeds from sale of common stock       1,542,600us-gaap_ProceedsFromIssuanceOfCommonStock
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= apdn_AbartaPartnersIMember
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= us-gaap_DirectorMember
   
James A. Hayward | Promissory notes            
Related Party Transaction [Line Items]            
Number of shares issued in settlement of convertible notes and accrued interest     382,075apdn_NumberOfSharesIssuedInSettlementOfConvertibleNotesAndAccruedInterest
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Convertible notes and accrued interest     925,000apdn_ConvertibleNotesAndAccruedInterest
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Gross proceeds from sale of common stock           $ 1,000,000us-gaap_ProceedsFromIssuanceOfCommonStock
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Interest rate           12.50%us-gaap_DebtInstrumentInterestRateEffectivePercentage
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Number of common stock issue cancellation note (including principal and accrued interest)         315,171us-gaap_DebtConversionConvertedInstrumentSharesIssued1
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Number of common stock called by warrants         315,171us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
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= us-gaap_ConvertibleNotesPayableMember
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Exercise Price         $ 3.25us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
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