INTANGIBLE ASSETS - Identifiable intangible assets acquired (Details) (USD $)	Sep. 30, 2014	Sep. 30, 2013
Intangible Assets Disclosure [Abstract]
Intellectual property (Weighted average life of 5 years)	$ 584,080apdn_FiniteLivedOfIntellectualProperty	$ 584,080apdn_FiniteLivedOfIntellectualProperty
Less: Impairment charges	(114,730)	(114,730)
Intangible assets, gross	469,350	469,350
Less: Accumulated amortization	(141,478)	(48,674)
Intangible assets, net	$ 327,872us-gaap_FiniteLivedIntangibleAssetsNet	$ 420,676us-gaap_FiniteLivedIntangibleAssetsNet

Represents the accumulated impairment of long-lived assets as of balance sheet date.

No definition available.

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Namespace Prefix:	apdn_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Represents Finite lived of Intellectual property.

+ References

No definition available.

+ Details

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Namespace Prefix:	apdn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	apdn_IntangibleAssetsDisclosureAbstract
Namespace Prefix:	apdn_
Data Type:	xbrli:stringItemType
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Period Type:	duration

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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Period Type:	instant

- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant