STOCKHOLDERS' DEFICIT (Summary of Warrants Activity) (Details) (Warrant [Member], USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Warrant [Member]
Weighted Average Exercise Warrants
Warrants outstanding beginning of year		130,000
Forfeited or Canceled		(130,000)
Warrants outstanding end of year
Weighted Average Exercise Price
Warrants outstanding beginning of year		$ 0.17
Forfeited or Canceled		$ 0.17
Warrants outstanding end of year

Weighted average price at which grantees could have acquired the underlying shares with respect to equity instrument other than options that have expired.

No definition available.

+ Details

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance for equity instruments other than options.

+ References

No definition available.

+ Details

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Namespace Prefix:	BGAT_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares under non-option equity instrument agreements for which rights to exercise lapsed.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
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Period Type:	duration

- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Period Type:	instant

- Details

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Data Type:	xbrli:stringItemType
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