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Non-Current Assets (Details Narrative) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Non-current Assets
Deposits assets, noncurrent		$ 412

X

- References

No definition available.

+ Details

Name:	BGMS_DisclosureNoncurrentAssetsAbstract
Namespace Prefix:	BGMS_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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