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Note 18 - Fair Value Measurements - Assets and Liabilities Measured at Fair Value Recurring Basis (Details) - USD ($)	Aug. 31, 2017	Aug. 31, 2016
Available for sale securities	$ 3,766,984	$ 2,243,864
Fair Value, Inputs, Level 1 [Member]
Available for sale securities	3,766,984	2,243,864
Fair Value, Inputs, Level 2 [Member]
Available for sale securities
Fair Value, Inputs, Level 3 [Member]
Available for sale securities

X

- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26610-111562

+ Details

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Balance Type:	debit
Period Type:	instant

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- Details

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- Details

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- Details

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