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Note 8 - Asset Retirement Obligations (Tables) | 6 Months Ended
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Mar. 01, 2014
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of Asset Retirement Obligations [Table Text Block] |
|  | March 1, 2013 |
Beginning balance as of August 31, 2013 |  | $ | 10,796 |
Accretion expense |  |  | 362 |
Ending balance as of March 1, 2014 |  | $ | 11,158 |

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- Definition Tabular disclosure of the carrying amount of a liability for asset retirement obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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