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Additional Paid-In Capital (Schedule Of Compensation Options) (Details) (USD $) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012
Additional Paid-In Capital [Abstract] |  |  |
Compensation Options Outstanding |  |  | $ 225,000 vgz_CompensationOptionsOutstanding
Compensation options, Exercised (in shares) | (225,000)vgz_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercised | (225,000)vgz_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercised |
Compensation options, Weighted average exercise price per share (in dollars per share) |  |  | $ 3.30 vgz_ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationOptionsOutstandingWeightedAverageExercisePrice
Expiry date |  |  | Apr. 01, 2013
Compensation options, Weighted average remaining life (yrs.) |  |  | 3 months 18 days

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- Details
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- Definition Date the equity-based award expires, in CCYY-MM-DD format. + 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 (a)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Compensation Options Outstanding + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award compensation options outstanding weighted average Remaining life. + References No definition available. + Details
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- Definition Share-based compensation arrangement by share-based payment award options exercised. + References No definition available. + Details
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