XML 74 R64.htm IDEA: XBRL DOCUMENT
v3.26.1

Common, Preferred Stock and Warrants - Activity (Details) | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2026 USD ($) $ / shares shares | Jul. 23, 2025 | Jul. 17, 2025
Common, Preferred Stock and Warrants |  |  |
Warrants Outstanding, beginning (in shares) | 5,759,453 |  |
Warrants outstanding, ending (in shares) | 5,267,652 |  |
Net proceeds from warrant exercises | $ | $ 2,063 |  |
Weighted average |  |  |
Common, Preferred Stock and Warrants |  |  |
Weighted Average Exercise Price, outstanding at the beginning of period | $ / shares | $ 2.31 |  |
Weighted Average Exercise Price, outstanding at the end of period | $ / shares | $ 2.37 |  |
Investor Warrants |  |  |
Common, Preferred Stock and Warrants |  |  |
Warrants Exercised (in shares) | (1,250) |  |
Expected term (years) |  | 2 years 6 months | 2 years 6 months
Net proceeds from warrant exercises | $ | $ 2,000 |  |
Investor Warrants | Weighted average |  |  |
Common, Preferred Stock and Warrants |  |  |
Weighted Average Exercise Price, warrants exercised during the period | $ / shares | 1.65 |  |
Agent warrants (a) |  |  |
Common, Preferred Stock and Warrants |  |  |
Warrants Exercised (in shares) | (490,551) |  |
Shares issued on exercise of warrants | 228,460 |  |
Warrants withheld and canceled | 262,091 |  |
Agent warrants (a) | Weighted average |  |  |
Common, Preferred Stock and Warrants |  |  |
Weighted Average Exercise Price, warrants exercised during the period | $ / shares | 1.69 |  |

X
- Definition Number of shares issued as a result of exercise of warrants. + References No definition available. + Details
Name: | ganx_StockIssuedDuringPeriodSharesWarrantsExercised
Namespace Prefix: | ganx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of warrants exercised during the period. + References No definition available. + Details
Name: | ganx_WarrantsExercised
Namespace Prefix: | ganx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average exercise price of warrants exercised during the period. + References No definition available. + Details
Name: | ganx_WarrantsExercisesInPeriodWeightedAverageExercisePrice
Namespace Prefix: | ganx_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of warrants withheld and canceled during the period. + References No definition available. + Details
Name: | ganx_WarrantsWithheldAndCanceled
Namespace Prefix: | ganx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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
- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 + Details
Name: | us-gaap_ProceedsFromWarrantExercises
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_WarrantsAndRightsOutstandingTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
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=ganx_InvestorWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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