Schedule of Mineral Property Expenses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		98 Months Ended	110 Months Ended
	May 31, 2013	May 31, 2012	May 31, 2013	May 31, 2012	Aug. 31, 2012	May 31, 2013
Community	$ 28	$ 73	$ 43	$ 93
Drilling	400	378	400	378
Engineering expense	620	103	750	282
Environmental	27	44	27	68
Geochemistry and geophysics	18	13	67	47
Land and permitting	74	4	192	18
Project support	588	1,086	680	1,126
Wages and benefits	476	720	874	1,046
Mineral property expense	$ 2,231	$ 2,421	$ 3,033	$ 3,058	$ 45,400	$ 45,396