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Note 13 - Subsequent Event (Details Textual) - City of Hope [Member] - Subsequent Event [Member] | Nov. 09, 2021 USD ($)
--- | ---
Upfront Fee | $ 5,000,000
License First Anniversary Payment [Member] |
License Fees | 3,000,000
License Second Anniversary Payment [Member] |
License Fees | $ 2,000,000

X
- Definition The amount of expense associated with license. + References No definition available. + Details
Name: | govx_LicenseFees
Namespace Prefix: | govx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of fee paid at the beginning. + References No definition available. + Details
Name: | govx_UpfrontFee
Namespace Prefix: | govx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_CounterpartyNameAxis=govx_CityOfHopeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=govx_LicenseFirstAnniversaryPaymentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=govx_LicenseSecondAnniversaryPaymentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |