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Private Placement Warrants (Details) - Schedule of change in fair value of warrant liability - Warrant Liability [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Private Placement Warrants (Details) - Schedule of change in fair value of warrant liability [Line Items]
Estimated fair value at Beginning	$ 24	$ 833
Warrant liability assumed from the Business Combination
Change in estimated fair value	62	(809)
Estimated fair value at Ending	$ 86	$ 24

X

- Definition

Change in estimated fair value.

+ References

No definition available.

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Balance Type:	credit
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- References

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- Definition

Warrant liability assumed from the Business Combination.

+ References

No definition available.

+ Details

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Namespace Prefix:	gsmg_
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X

- Definition

Fair value of the entity's equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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