Represents extended payment of subscriptions receivable.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents extended payment term of subscriptions receivable.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
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- Definition

Represents gross proceeds from common stock and warrants upon closure of direct public offering and private placement.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents amount of net proceeds after deducting the placement agent fees and offering expenses.

+ References

No definition available.

+ Details

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Namespace Prefix:	apdn_
Data Type:	xbrli:monetaryItemType
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- Definition

This element represents amount of Stock subscriptions receivable.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Represents the threshold percentage of total number issued and outstanding shares of common stock.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ 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)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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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

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- Definition

Monetary value 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

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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Period Type:	duration

- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

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

- Definition

Number of new stock issued during the period.

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Balance Type:	credit
Period Type:	duration

- Details

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Balance Type:
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- Details

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- Details

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CAPITAL STOCK (Detail Textuals) - USD ($)			1 Months Ended	9 Months Ended
CAPITAL STOCK (Detail Textuals) - USD ($)	Nov. 07, 2016	Nov. 02, 2016	Jun. 28, 2017	Jun. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Subscriptions amount				$ 1,505,000
Aggregate gross proceeds from the Private Placement	$ 5,000,000
Net proceeds after deducting placement agent fees and offering expenses	$ 4,319,861		$ 1,771,000
Extended payment of subscriptions receivable				$ 1,000,000
Extended payment term of subscriptions receivable				30 days
Stock subscriptions receivable				$ 505,000
Placement Agent
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Threshold percent of total number issued and outstanding shares of common stock	9.99%
Securities Purchase Agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Value of common stock and warrants purchased		$ 5,000,000
Share price (in dollars per share)		$ 2.20
Private Placement Subscription Agreements
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued			1,025,574
Share price (in dollars per share)			$ 1.76
Aggregate gross proceeds from the Private Placement			$ 1,805,000
Private placement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued		2,272,727
Number of common stock called by warrants	68,182	2,272,727		2,272,727
Exercise price of warrants (in dollars per share)	$ 2.53	$ 3.50
Exercise price percentage of public offering price	115.00%
Private placement \| Board of Directors Chairman
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued			315,346
Aggregate gross proceeds from the Private Placement			$ 555,000