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Note 3 - Government Grants (Detail) (USD $) | 3 Months Ended | 12 Months Ended | 138 Months Ended | 12 Months Ended | 59 Months Ended |  | 12 Months Ended |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2012 | Aug. 31, 2013 First NIH Grant [Member] | Aug. 31, 2012 First NIH Grant [Member] | Dec. 31, 2012 First NIH Grant [Member] | Aug. 31, 2013 Second NIH Grant [Member] | Dec. 31, 2012 Second NIH Grant [Member] | Dec. 31, 2012 NIH Grants [Member] | Dec. 31, 2011 NIH Grants [Member] | Dec. 31, 2010 NIH Grants [Member] | Dec. 31, 2010 QTDP Grant [Member]
Project Period Covered by Grants |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  | 1 year |  |  |  |  |
Project Extension Period |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |
Grant Award |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 20,400,000 |  | $ 1,900,000 |  |  |  |  | $ 244,479
Unused Grant Funds |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,600,000 |  | 1,400,000 |  |  |  |
Revenue from Grants | $ 459,566 | $ 638,000 | $ 705,698 | $ 854,063 | $ 956,844 | $ 1,297,006 | $ 1,753,033 | $ 893,002 | $ 2,657,327 | $ 4,899,885 | $ 5,185,257 | $ 22,969,019 |  |  |  |  |  | $ 2,657,327 | $ 4,899,885 | $ 4,940,778 |

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- Definition Grant award. + References No definition available. + Details
Name: | govx_GrantAward
Namespace Prefix: | govx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Project extension period. + References No definition available. + Details
Name: | govx_ProjectExtensionPeriod
Namespace Prefix: | govx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition The project period covered by grants. + References No definition available. + Details
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Namespace Prefix: | govx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Unused grant funds. + References No definition available. + Details
Name: | govx_UnusedGrantFunds
Namespace Prefix: | govx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Revenue earned during the period from non-repayable sum of money awarded to an entity to carry out a specific purpose as provided in grant agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(e)) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration