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Accounts Receivable, Net (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2022
Accounts Receivable [Abstract]
Reversed bad debt expense	$ 268	$ 1,126
Bad dept expenses			$ 440

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- References

No definition available.

+ Details

Name:	gsmg_AccountsReceivableAbstract
Namespace Prefix:	gsmg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

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Name:	gsmg_BadDebtExpense
Namespace Prefix:	gsmg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Definition

Reversed bad debt expense.

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No definition available.

+ Details

Name:	gsmg_ReversedBadDebtExpense
Namespace Prefix:	gsmg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration