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Subsequent Events	9 Months Ended
	Sep. 30, 2013
Subsequent Events [Abstract]
Subsequent Events	16. Subsequent Events During October 2013, Vista and Invecture Group S.A. de C.V. (“Invecture”) terminated the 2012 Earn-in Right Agreement whereby Invecture could earn a 62.5% interest in the Los Cardones gold project located in Baja California Sur, Mexico, and entered into new agreements whereby Vista sold 100% of its debt and equity interests in the Los Cardones gold project (the “Los Cardones Sale”) to Invecture and RPG Structured Finance S.a.R.L. (the “Purchasers”), for a total of $13,000 ($7,000 of which was paid in October 2013 and $6,000 is payable in January 2014), subject to the Purchasers’ option to elect to not make this payment.  If the Purchasers elect to not make the $6,000 payment, Vista will retain the $7,000 already received and 100% of the Los Cardones gold project will be returned to Vista. Per the terms of Vista’s 2013 Facility, Vista repaid $3,000 of the 2013 Facility using proceeds from the Los Cardones Sale.

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The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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