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Lease Commitment (Details Narrative) (USD $)	Aug. 01, 2011
Commitments and Contingencies Disclosure [Abstract]
Term	month-to-month
Monthly rent	$ 1,000

X

- Definition

Amount due each month for rent.

+ References

No definition available.

+ Details

Name:	BGAT_MonthlyRent
Namespace Prefix:	BGAT_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Term of obligation.

+ References

No definition available.

+ Details

Name:	BGAT_Term
Namespace Prefix:	BGAT_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	instant

X

- Details

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