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Note 14 - Supplemental Cash Flow Information - Supplemental Disclosures of Cash Flow Information (Details) - USD ($)
3 Months Ended 9 Months Ended
May 31, 2018
May 31, 2017
May 31, 2018
May 31, 2017
Cash paid for interest $ 3,139 $ 7,409 $ 14,007 $ 15,502
Cash paid for income taxes $ 45,000 $ 45,000