XML 23 R31.htm IDEA: XBRL DOCUMENT

Amayapampa Interest (Details)	6 Months Ended
Amayapampa Interest (Details)	Jun. 30, 2012 USD ($)	Jun. 30, 2012 Between $500.01 and $650.00 [Member]	Jun. 30, 2012 Between $500.01 and $650.00 [Member] Maximum [Member] CAD	Jun. 30, 2012 Between $500.01 and $650.00 [Member] Minimum [Member] CAD	Jun. 30, 2012 Between $650.01 and $750.00 [Member]	Jun. 30, 2012 Between $650.01 and $750.00 [Member] Maximum [Member] CAD	Jun. 30, 2012 Between $650.01 and $750.00 [Member] Minimum [Member] CAD	Jun. 30, 2012 $750.01 and above [Member] CAD	Jun. 30, 2012 Below $500 [Member] CAD
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total payment to be received pursuant to disposal agreement	$ 3,000,000
Number of payments for disposal of subsidiary	3
Amount of periodic payment for disposal of subsidiary	1,000,000
Price of gold (in dollars per ounce)			650.00	500.01		750.00	650.01	750.01	500
Net smelter return royalty percentage (in hundredths)		2.00%			3.00%			3.50%	0.00%
Capped amount of net smelter return royalty (in ounces)	720,000
Amayapampa interest fair value	$ 4,813,000

For the disposal group, including a component of the entity (discontinued operation), the aggregate of amounts due from customers or clients for goods or services that have been delivered or sold in the normal course of business and an amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection and net of any write-downs taken for collection uncertainty on the part of the holder, respectively.

+ References+ Details