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RELATED PARTY TRANSACTIONS (Detail Textuals) (USD $)
0 Months Ended
Nov. 11, 2014
Nov. 20, 2014
Sep. 30, 2014
Sep. 11, 2014
Short-term Debt [Line Items]        
Promissory note issued to related party (in dollars)     $ 1,000,000us-gaap_DebtInstrumentFaceAmount  
Conversion price of convertible promissory note converted (in dollars per share)   $ 3.25us-gaap_DebtInstrumentConvertibleConversionPrice1    
Promissory notes        
Short-term Debt [Line Items]        
Promissory note issued to related party (in dollars)       1,800,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
Interest rate on promissory note       12.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
Promissory notes | James A. Hayward        
Short-term Debt [Line Items]        
Promissory note issued to related party (in dollars)       $ 1,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= apdn_PresidentChairmanAndChiefExecutiveOfficerMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
Interest rate on promissory note       12.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= apdn_PresidentChairmanAndChiefExecutiveOfficerMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
Common stock issued in settlement of convertible debentures and interest 315,171us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= apdn_PresidentChairmanAndChiefExecutiveOfficerMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
     
Number of shares issued in settlement of convertible notes and accrued interest 315,171apdn_NumberOfSharesIssuedInSettlementOfConvertibleNotesAndAccruedInterest
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= apdn_PresidentChairmanAndChiefExecutiveOfficerMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
     
Conversion price of convertible promissory note converted (in dollars per share) $ 3.25us-gaap_DebtInstrumentConvertibleConversionPrice1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= apdn_PresidentChairmanAndChiefExecutiveOfficerMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember