15. Subsequent Events (Details)	9 Months Ended
May 31, 2018
Details
Subsequent Event, Description	On June 6, 2018, the Company announced the Board of Directors approved a new share purchase plan in accordance with Rule 10b-18. The Company can purchase for cancellation up to 250,000 common shares through the facilities of NASDAQ. The plan commenced on June 11, 2018 and remains in place until November 30, 2018 but may be limited or terminated at any time without prior notice. As of the date of this Form 10-Q, the Company has repurchased a total of 12,200 common shares under the plan. The total cost was $97,454 at an average price of $7.9888 per share.

Describes the event or transaction that occurred between the balance sheet date and the date the financial statements are issued or available to be issued.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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