Unrecognized cost of unvested share-based compensation awards.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

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- 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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Data Type:	xbrli:sharesItemType
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Period Type:	instant

- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of common stock dividend payable to shareholders.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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- Details

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- Definition

Number of eligible participants.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Share-based compensation arrangement by share-based payment award, exercisable period.

+ References

No definition available.

+ Details

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Namespace Prefix:	wga_
Data Type:	xbrli:durationItemType
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Note 5 (Details) (USD $)		6 Months Ended	12 Months Ended		6 Months Ended
Note 5 (Details) (USD $)	Jun. 30, 2013	Jun. 30, 2013 Employee Stock Option [Member]	Dec. 31, 2008 Employee Stock Option [Member] Minimum [Member]	Dec. 31, 2008 Employee Stock Option [Member] Maximum [Member]	Jun. 30, 2013 Restricted Stock [Member]	Jun. 30, 2013 Restricted Stock [Member] Minimum [Member]	Jun. 30, 2013 Restricted Stock [Member] Maximum [Member]
Note 5 (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)	2,052,408
Share-based Compensation Arrangement by Share-based Payment Award, Exercisable Period			6 months	10 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			2 years	3 years		3 years	5 years
Number of Eligible Participants		1
Common Stock Dividend, Percentage		5.00%
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number (in Shares)					152,130
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars)					$ 262,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition					2 years