XML 73 R63.htm IDEA: XBRL DOCUMENT
v3.26.1

Common, Preferred Stock and Warrants - Outstanding (Details) - $ / shares | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Common, Preferred Stock and Warrants |  |
Warrants Outstanding (in shares) | 5,267,652 | 5,759,453
Weighted average |  |
Common, Preferred Stock and Warrants |  |
Weighted Average Exercise Price (in dollars per share) | $ 2.37 | $ 2.31
Warrants to purchase common stock |  |
Common, Preferred Stock and Warrants |  |
Warrants Outstanding (in shares) | 5,267,652 |
Warrants Exercisable (in shares) | 5,267,652 |
Warrants to purchase common stock | Weighted average |  |
Common, Preferred Stock and Warrants |  |
Weighted Average Exercise Price (in dollars per share) | $ 2.37 |
Warrants expiring on November 24,2028 | Warrants to purchase common stock |  |
Common, Preferred Stock and Warrants |  |
Warrants Outstanding (in shares) | 3,361,484 |
Warrants Exercisable (in shares) | 3,361,484 |
Warrants expiring on November 24,2028 | Warrants to purchase common stock | Weighted average |  |
Common, Preferred Stock and Warrants |  |
Weighted Average Exercise Price (in dollars per share) | $ 2.75 |
Warrants expiring on June 17, 2029 | Warrants to purchase common stock |  |
Common, Preferred Stock and Warrants |  |
Warrants Outstanding (in shares) | 106,914 |
Warrants Exercisable (in shares) | 106,914 |
Warrants expiring on June 17, 2029 | Warrants to purchase common stock | Weighted average |  |
Common, Preferred Stock and Warrants |  |
Weighted Average Exercise Price (in dollars per share) | $ 1.69 |
Warrants expiring on July 17, 2030 | Warrants to purchase common stock |  |
Common, Preferred Stock and Warrants |  |
Warrants Outstanding (in shares) | 1,799,254 |
Warrants Exercisable (in shares) | 1,799,254 |
Warrants expiring on July 17, 2030 | Warrants to purchase common stock | Weighted average |  |
Common, Preferred Stock and Warrants |  |
Weighted Average Exercise Price (in dollars per share) | $ 1.71 |

X
- Definition The number of warrants exercisable. + References No definition available. + Details
Name: | ganx_WarrantsExercisableNumber
Namespace Prefix: | ganx_
Data Type: | xbrli:sharesItemType
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/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ganx_ClassOfWarrantOrRightExpirationDateAxis=ganx_WarrantsExpiringOnNovember242028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ganx_ClassOfWarrantOrRightExpirationDateAxis=ganx_WarrantsExpiringOnJune172029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ganx_ClassOfWarrantOrRightExpirationDateAxis=ganx_WarrantsExpiringOnJuly172030Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |