v3.23.2

Equity (Details) - USD ($) |  |  |  |  | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Nov. 08, 2022 | Nov. 01, 2022 | Jun. 21, 2022 | Mar. 07, 2022 | Mar. 07, 2022 | Aug. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022 | Jun. 30, 2022 | Jun. 30, 2021
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Reverse split, description |  |  |  |  |  | 200:1 |  |  |  |  |
Share issued |  |  |  |  |  |  |  | 365,091 | 73,517 | 0 |
Share issued value (in Dollars) |  |  |  |  |  |  |  | $ 492,434 |  |  |
Increased warrants shares |  | 400,000 |  | 400,000 |  |  |  |  |  |  |
Issued warrants shares |  | 2,100,000 |  |  |  |  |  |  |  |  |
Unvested warrants issued |  |  | 2,100,000 |  |  |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  | 53,206,652 |  |  |
Number of common stock cancelled |  |  |  |  |  |  |  |  | (241,303) |  |
Number of common stock shares |  |  |  |  |  |  |  | 36,500 |  |  |
Common stock issued as collateral | [1] |  |  |  |  |  |  |  |  |  | 250,000
Fractional Shares [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cancellation of common stock |  |  |  |  |  |  |  |  | 241,303 |  |
Warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Increased warrants shares (in Dollars per share) |  | $ 0.01 | $ 0.1 |  |  |  | $ 0.01 |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Increased warrants shares (in Dollars per share) |  | 0.5 |  |  |  |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Increased warrants shares (in Dollars per share) |  | $ 0.01 |  |  |  |  |  |  |  |  |
Equity [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Reverse split, description |  |  |  |  | All share amounts have been adjusted to reflect a 1:200 reverse split effective March 7, 2022. | All share amounts have been adjusted to reflect a 1:200 reverse stock split of the authorized and outstanding shares of common stock that was effective March 7, 2022. |  |  |  |  |
200:1 Reverse Split [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cancellation of common stock |  |  |  |  |  |  |  |  |  | 241,303 |
Preferred Series F Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  |  |  | 11,414 |
Preferred Series E Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of common stock cancelled |  |  |  |  |  |  |  |  |  | 500,000 |
Preferred Series G Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  |  |  | 51 |
Preferred Stock Series F [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  | 23,540,539 | 11,414 |  |
Preferred Series E Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cancellation of common stock |  |  |  |  |  |  |  |  | 500,000 |  |
Structured Loan [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  |  |  | 1,812,500 |
Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  |  |  | 500,000 |
Equity Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  |  |  | 1,125,000 |
Shares of common stock for services [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  |  |  | 73,517 |
Investor [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  | 600,000 |  |  | 1,000,000 |  |  | 600,000 |
Professional Consulting Services [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  | 3,070,922 |  |  | 529,000
Share issued value (in Dollars) |  |  |  |  |  |  |  | $ 238,128 |  |  | $ 2,778,550
Common Stock Debt Reduction [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  |  |  |  | 6,914,064
Share issued value (in Dollars) |  |  |  |  |  |  |  |  |  |  | $ 13,031,235
Warrant holders [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  |  |  |  | 1,248,961
Commitment Shares Under Equity Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  |  |  |  | 3,279,693
Share issued value (in Dollars) |  |  |  |  |  |  |  |  |  |  | $ 13,601,329
Commitment Shares Under Equity Purchase Agreement [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  |  | 312,500 |  |
Share issued value (in Dollars) |  |  |  |  |  |  |  |  | $ 356,250 |  |
Line of Credit [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock issued as collateral |  |  |  |  |  |  |  |  |  |  | 250,000
Common stock issued as collateral |  |  |  |  |  |  |  | 5,000,000 |  |  |
Classroom Technology Solutions, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  |  |  |  | 50,000
Share issued value (in Dollars) |  |  |  |  |  |  |  |  |  |  | $ 151,000
Equity Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  |  |  |  | 0.5
Share issued value (in Dollars) |  |  |  |  |  |  |  |  |  | $ 600,000 |
Proceeds Under the Equity Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  | 9,429,130 | 1,625,000 |  |
Share issued value (in Dollars) |  |  |  |  |  |  |  | $ 166,435 | $ 2,643,500 |  |
Commitment Fees Under Notes Payable [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  | 2,800,000 |  |  |
Charitable Donation [Member] |  |  |  |  |  |  |  |  |  |  |
Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Share issued |  |  |  |  |  |  |  | 350,000 |  |  |
Share issued value (in Dollars) |  |  |  |  |  |  |  | $ 52,500 |  |  |
[1] | All share amounts, including those in the accompanying notes, have been adjusted to reflect a 1:200 reverse split effective March 7, 2022.

X
- Definition Number of cencelled common stock representing fractional shares. + References No definition available. + Details
Name: | gaxy_CancellationOfCommonStockRepresentingFractionalShares
Namespace Prefix: | gaxy_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Common stock issued as collateral. + References No definition available. + Details
Name: | gaxy_CommonStockIssuedAsCollateral
Namespace Prefix: | gaxy_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares issues as collateral. + References No definition available. + Details
Name: | gaxy_CommonStockIssuedAsCollateralShares
Namespace Prefix: | gaxy_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | gaxy_EquityDetailsLineItems
Namespace Prefix: | gaxy_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of sharesiIncreased warrants shares. + References No definition available. + Details
Name: | gaxy_IncreasedWarrantsShares
Namespace Prefix: | gaxy_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of warrants or rights which entitle the entity to receive future services in exchange for the unvested, forfeitable warrants or rights. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightUnissued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of excess stock shares of an entity that have been sold or granted to shareholders. + References No definition available. + Details
Name: | us-gaap_ExcessStockSharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of new stock issued during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481004/946-505-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(4)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(i)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479886/946-10-S99-3 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares related to Restricted Stock Award forfeited during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares (or other type of equity) forfeited during the period. + References No definition available. + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-2 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480167/946-830-55-11 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 205 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480767/946-205-45-4 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481004/946-505-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(4)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-3 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_StockIssuedDuringPeriodValueNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 4.C) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-4 + Details
Name: | us-gaap_StockholdersEquityReverseStockSplit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share increase in exercise price of warrant. Excludes change due to standard antidilution provision. + References Reference 1: 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_WarrantExercisePriceIncrease
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=gaxy_FractionalSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

X
- Details
Name: | us-gaap_TradingActivityByTypeAxis=us-gaap_EquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AssetAcquisitionAxis=gaxy_ReverseSplitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=gaxy_PreferredClassFMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=gaxy_PreferredClassEMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesGPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=gaxy_PreferredStockSeriesFMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=gaxy_PreferredSeriesEStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=gaxy_StructuredLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialSupportToNonconsolidatedLegalEntityAxis=gaxy_PurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialSupportToNonconsolidatedLegalEntityAxis=gaxy_EquityPurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gaxy_SharesOfCommonStockForServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_InvestorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gaxy_ProfessionalConsultingServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gaxy_CommonStockDebtReductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gaxy_WarrantHoldersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gaxy_CommitmentSharesUnderEquityPurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gaxy_ClassroomTechnologySolutionsIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gaxy_EquityPurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gaxy_ProceedsUnderTheEquityPurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gaxy_CommitmentFeesUnderNotePayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gaxy_CharitableDonationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |