Annual reports filed by certain Canadian issuers pursuant to Section 15(d) and Rule 15d-4

Mineral properties (Details)

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Mineral properties (Details) (CAD)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Balance 32,107,341 31,961,598
Acquisition costs 319,984 145,743
Property acquired in asset exchange 970,320  
Balance 33,397,645 32,107,341
Lost Creek Property [Member]
   
Balance 14,194,086 14,190,954
Acquisition costs 292,384 3,132
Property acquired in asset exchange 970,320  
Balance 15,456,790 14,194,086
Other Us Properties [Member]
   
Balance 17,389,588 17,246,977
Acquisition costs 27,600 142,611
Property acquired in asset exchange 0  
Balance 17,417,188 17,389,588
Canadian Properties [Member]
   
Balance 523,667 523,667
Acquisition costs 0 0
Property acquired in asset exchange 0  
Balance 523,667 523,667