Represents gross proceeds from exercise of over allotment option.

No definition available.

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

- Definition

Represents number of additional shares of common stock.

+ References

No definition available.

+ Details

Name:	apdn_NumberOfAdditionalSharesOfCommonStock
Namespace Prefix:	apdn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents number of additional warrants to cover over allotments.

+ References

No definition available.

+ Details

Name:	apdn_NumberOfAdditionalWarrantsToCoverOverAllotments
Namespace Prefix:	apdn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents number of common stock exercise in over allotment option.

+ References

No definition available.

+ Details

Name:	apdn_NumberOfCommonStockExerciseInOverAllotmentOption
Namespace Prefix:	apdn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents number of common stock sold pursuant to over allotment of option.

+ References

No definition available.

+ Details

Name:	apdn_NumberOfCommonStockSoldPursuantToOverAllotmentOfOption
Namespace Prefix:	apdn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents number of days for option to purchase additional shares.

+ References

No definition available.

+ Details

Name:	apdn_NumberOfDaysForOptionToPurchaseAdditionalShares
Namespace Prefix:	apdn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents number of warrants exercise in over allotment option.

+ References

No definition available.

+ Details

Name:	apdn_NumberOfWarrantsExerciseInOverAllotmentOption
Namespace Prefix:	apdn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents number of warrants stock sold pursuant to over allotment of option.

+ References

No definition available.

+ Details

Name:	apdn_NumberOfWarrantsStockSoldPursuantToOverAllotmentOfOption
Namespace Prefix:	apdn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Price of a single share for common stock of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

Name:	apdn_SharePriceForCommonStock
Namespace Prefix:	apdn_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Price of a single share for warrant of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

Name:	apdn_SharePriceForWarrant
Namespace Prefix:	apdn_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(2))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Subparagraph 2

-Article 4

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of common stock allocated to investors to buy shares of a new issue of common stock before they are offered to the public. When stock is sold on a subscription basis, the issuer does not initially receive the total proceeds. In general, the issuer does not issue the shares to the investor until it receives the entire proceeds.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

+ Details

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

- Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

Name:	us-gaap_SharePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=apdn_UnderwrittenPublicOfferingMember
Namespace Prefix:
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CAPITAL STOCK (Detail Textuals 2) (USD $)	0 Months Ended	1 Months Ended
CAPITAL STOCK (Detail Textuals 2) (USD $)	Apr. 01, 2015	Apr. 30, 2015	Nov. 20, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common stock called by warrants			2,800,000
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 3.50
Underwritten public offering \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock offered	4,011,000
Number of common stock called by warrants	1,604,400
Combined offering price	$ 3.00
Offering price for common stock	$ 2.99
Offering price for warrant	$ 0.01
Number of common stock sold pursuant to over allotment option	191,000
Number of warrants stock sold pursuant to over allotment option	76,400
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 3.50
Gross proceeds	$ 12,000,000
Number of days for option to purchase additional shares	45 days
Number of additional shares of common stock	573,000
Number of additional warrants to cover over allotments	229,200
Number of common stock exercise in over allotment option		87,000
Number of warrants exercise in over allotment option		152,800
Gross proceeds from exercise of over allotment option		$ 263,950