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Note 8 - Common Stock - Outstanding Stock Purchase Warrants (Details)	Sep. 30, 2015 $ / shares shares
Series D Warrants [Member] | Placement Agent for Offering [Member]
Class of Warrant or Right, Outstanding | shares	1,333,333	[1]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares	$ 0.17	[1]
Series D Warrants [Member]
Class of Warrant or Right, Outstanding | shares	16,666,666	[1]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares	$ 0.17	[1]
Series E Warrants [Member]
Class of Warrant or Right, Outstanding | shares	16,666,666	[1]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares	$ 0.14	[1]
Series F Warrants [Members]
Class of Warrant or Right, Outstanding | shares	16,666,666	[1]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares	$ 0.17	[1]
Class of Warrant or Right, Outstanding | shares	56,442,157
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares	$ 0.20
Warrants exercisable (in shares) | shares	39,775,491
Warrants exercisable, weighted-average exercise price (in dollars per share) | $ / shares	$ 0.21
[1] See discussion under "Series C Convertible Preferred Stock" in Note 7.

X

- Definition

Number of warrants or rights exercisable.

+ References

No definition available.

+ Details

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Namespace Prefix:	govx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Exercise price per share or per unit of warrants or rights exercisable.

+ References

No definition available.

+ Details

Name:	govx_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRightsExercisable
Namespace Prefix:	govx_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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