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C STOCKHOLDERS EQUITY (Details 2) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Employee [Member] |  |  |  |
Stock based compensation expense | $ 3,109,127 | $ 1,521,821 | $ 6,690,331 | $ 2,626,311
Non-Employees [Member] |  |  |  |
Stock based compensation expense | $ 275,919 | $ 176,646 | $ 623,146 | $ 688,070

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- Definition Amount of expense for employee benefit and equity-based compensation. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=cvm_NonEmployeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |