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Commitments and Contingencies (Detail Textuals)	Dec. 31, 2016 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Provision for financial receivable unfunded credit losses	$ 24,794

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- Definition

Aggregate amount of credit losses from transactions related to unfunded commitments for financial instruments

+ References

No definition available.

+ Details

Name:	glbz_ProvisionForFinancialReceivableUnfundedCreditLosses
Namespace Prefix:	glbz_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- References

No definition available.

+ Details

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