Significant Accounting Policies and Significant Recent Accounting Pronouncements (Details Textual) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2017	Feb. 29, 2016	Aug. 31, 2016
Significant Accounting Policies [Line Items]
Allowance for Doubtful Accounts Receivable	$ 111,000		$ 111,000		$ 111,000
Inventory Valuation Reserves	$ 1,388,000		$ 1,388,000		1,307,000
Exchange Rate on Foreign Currency Translation and Transactions	$ 0.76	$ 0.72	$ 0.76	$ 0.74
Percentage of Revenue Per Entity, Maximum	10.00%		10.00%
Restricted Cash and Cash Equivalents, Current	$ 2,466,000		$ 2,466,000		$ 1,425,000	[1]
Sales Revenue, Net [Member]
Significant Accounting Policies [Line Items]
Concentration Risk, Percentage			9.00%	8.00%
Accounts Receivable [Member]
Significant Accounting Policies [Line Items]
Concentration Risk, Percentage			12.00%		9.00%

[1] Derived from the Company’s audited financial statements included in its Form 10-K for the year ended August 31, 2016 as filed with the U. S. Securities and Exchange Commission on November 23, 2016.