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Balance Sheet Components - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Nov. 30, 2020	Aug. 31, 2020
Property Plant And Equipment [Line Items]
Total property, plant and equipment	$ 51,616	$ 50,638
Less: Accumulated depreciation and amortization	(45,995)	(44,993)
Property, plant and equipment, net	5,621	5,645
Buildings and improvements
Property Plant And Equipment [Line Items]
Total property, plant and equipment	14,441	14,104
Machinery and equipment
Property Plant And Equipment [Line Items]
Total property, plant and equipment	34,520	33,977
Leasehold improvements
Property Plant And Equipment [Line Items]
Total property, plant and equipment	170	166
Other equipment
Property Plant And Equipment [Line Items]
Total property, plant and equipment	2,476	2,384
Construction in progress
Property Plant And Equipment [Line Items]
Total property, plant and equipment	$ 9	$ 7

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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