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Subsequent Events	12 Months Ended
	Dec. 31, 2015
Subsequent Events [Abstract]
Subsequent Events	15. Subsequent Events Guadalupe de los Reyes Payment On February 25, 2016 Vista received notification from Great Panther Silver that it is terminating the Option Agreement and the $1,500 option payment due in February 2016 was not made.  See Note 4.

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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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