Lease Expired.

No definition available.

Name:	gaxy_LeaseExpired
Namespace Prefix:	gaxy_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Monthly lease payment.

+ References

No definition available.

+ Details

Name:	gaxy_MonthlyLeasePayment
Namespace Prefix:	gaxy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of fees associated with providing collateral for the debt instrument.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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-Subparagraph (SX 210.5-02.22(a)(1))
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+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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+ Details

Name:	us-gaap_InterestPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=gaxy_StockholderMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Period Type:

Related Party Transactions (Details) - USD ($)		1 Months Ended	3 Months Ended
Related Party Transactions (Details) - USD ($)	Nov. 13, 2019	Oct. 31, 2019	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2019	Jun. 30, 2019
Related Party Transaction [Line Items]
Current notes payable			$ 361,010			$ 279,346
Interest rate			5.50%			6.00%
Debt maturity			Dec. 31, 2019
Collateral fee			$ 7,500
Lease Expired			Dec. 31, 2021
Operating Leases, Rent Expense			$ 4,500	$ 2,988
Monthly lease payment			1,500
Short term commercial deposite			274,900
Subsequent Event [Member]
Related Party Transaction [Line Items]
Debt maturity	Nov. 13, 2021
Stockholder [Member]
Related Party Transaction [Line Items]
Current notes payable			200,000			$ 200,000
Stockholder [Member] \| Subsequent Event [Member]
Related Party Transaction [Line Items]
Current notes payable		$ 400,000
Interest payable					$ 10,000
Debt maturity		Dec. 31, 2021
Seller of Concepts and Solutions [Member]
Related Party Transaction [Line Items]
Current notes payable			400,000
Notes payable			$ 900,000
Interest rate			3.00%