No definition available.

Name:	Gooo_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCanceled
Namespace Prefix:	Gooo_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Exercised.

No definition available.

Name:	Gooo_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercised
Namespace Prefix:	Gooo_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Expired.

No definition available.

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

Granted.

No definition available.

Name:	Gooo_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGranted
Namespace Prefix:	Gooo_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Canceled.

No definition available.

Name:	Gooo_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantIntrinsicValueCanceled
Namespace Prefix:	Gooo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Excercied.

No definition available.

Name:	Gooo_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantIntrinsicValueExcercised
Namespace Prefix:	Gooo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Expired.

No definition available.

Name:	Gooo_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantIntrinsicValueExpired
Namespace Prefix:	Gooo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Granted.

No definition available.

Name:	Gooo_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantIntrinsicValueGranted
Namespace Prefix:	Gooo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Canceled.

No definition available.

Name:	Gooo_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageCanceled
Namespace Prefix:	Gooo_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Exercised.

No definition available.

Name:	Gooo_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageExcercised
Namespace Prefix:	Gooo_
Data Type:	num:perShareItemType
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Period Type:	duration

Expired.

No definition available.

Name:	Gooo_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageExpired
Namespace Prefix:	Gooo_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Granted.

No definition available.

Name:	Gooo_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGranted
Namespace Prefix:	Gooo_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Unvested.

No definition available.

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Namespace Prefix:	Gooo_
Data Type:	xbrli:sharesItemType
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Period Type:	duration

Vested and exercisable.

No definition available.

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Namespace Prefix:	Gooo_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Fair value at date of grant.

No definition available.

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Namespace Prefix:	Gooo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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

The intrinsic value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units, as calculated by applying the disclosed pricing methodology.

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)(2)(i)-(ii)

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

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(b)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Number of non-option equity instruments exercised by participants.

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

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph d(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable.

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

As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.