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Nature Of Operations And Summary Of Significant Accounting Policies (Components Of Inventories) (Details) - USD ($) $ in Thousands	Aug. 31, 2019	Aug. 31, 2018
Nature Of Operations And Summary Of Significant Accounting Policies [Abstract]
Finished goods	$ 3,434	$ 3,130
Raw materials	47	30
Inventories	$ 3,481	$ 3,160

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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-Topic 330
-SubTopic 10
-Section S99
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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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