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NATURE OF THE BUSINESS (Details) | 3 Months Ended
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Dec. 31, 2023 item
NATURE OF THE BUSINESS |
Number of primary markets that use the company's technologies | 3

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- Definition Number of primary markets that use the Company's technologies. + References No definition available. + Details
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Namespace Prefix: | apdn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration