Note 8 - Asset Retirement Obligations (Tables)

9 Months Ended

May 31, 2014

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Asset Retirement Obligations [Table Text Block]

	May 31, 2014
Beginning balance as of August 31, 2013	$	10,796
Accretion expense		756
Effect of exchange rate changes		68
Ending balance as of May 31, 2014	$	11,620