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WARRANTS AND STOCK OPTIONS (Details) | 9 Months Ended
--- | ---
Jun. 30, 2022 $ / shares shares
Number of Shares |
Balance at October 1, 2021 | shares | 745,268
Granted | shares | 2,962,413
Exercised | shares | (748,200)
Cancelled or expired | shares | (719,518)
Balance at December 31, 2021 | shares | 2,239,963
Weighted Average Exercise Price Per Share |
Balance at October 1, 2021 | $ / shares | $ 6.44
Granted | $ / shares | 2.11
Exercised | $ / shares | 0.0001
Cancelled or expired | $ / shares | 6.16
Balance at December 31, 2021 | $ / shares | $ 2.96

X
- Definition This element represents the number of warrants exercised by participants. + References No definition available. + Details
Name: | apdn_ClassOfWarrantOrRightExercised
Namespace Prefix: | apdn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the number of warrants that were either cancelled or expired. + References No definition available. + Details
Name: | apdn_ClassOfWarrantOrRightForfeituresAndExpirations
Namespace Prefix: | apdn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents number of warrants granted to participants. + References No definition available. + Details
Name: | apdn_ClassOfWarrantOrRightGranted
Namespace Prefix: | apdn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | apdn_ClassOfWarrantOrRightNumberOfSharesRollForward
Namespace Prefix: | apdn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | apdn_ClassOfWarrantOrRightWeightedAveragePricePerShareRollForward
Namespace Prefix: | apdn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents weighted average exercise price per share or per unit of warrants or rights Cancelled or expired. + References No definition available. + Details
Name: | apdn_WeightedAveragePricePerShareWarrantCancelledOrExpired
Namespace Prefix: | apdn_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents weighted average exercise price per share or per unit of warrants or rights exercised. + References No definition available. + Details
Name: | apdn_WeightedAveragePricePerShareWarrantExercised
Namespace Prefix: | apdn_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents weighted average exercise price per share or per unit of warrants or rights granted. + References No definition available. + Details
Name: | apdn_WeightedAveragePricePerShareWarrantGranted
Namespace Prefix: | apdn_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents weighted average exercise price per share or per unit of warrants or rights outstanding. + References No definition available. + Details
Name: | apdn_WeightedAveragePricePerShareWarrantOutstanding
Namespace Prefix: | apdn_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant