Income Taxes (Details) - USD ($)	12 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2017
Income Tax Disclosure [Abstract]
U.S. federal income tax rate (as a percent)	21.00%	21.00%	21.00%		34.00%
Statutory income tax rate in Taiwan (as a percent)	20.00%	20.00%	20.00%	17.00%
Additional Taiwan corporate income tax, or surtax rate (as a percent)	5.00%		5.00%	10.00%
U.S. operations	$ (793,000)	$ (875,000)
Foreign operations	(1,897,000)	(1,851,000)
Loss before income taxes	$ (2,690,000)	$ (2,726,000)
Reconciliation of income tax expense
U.S. federal income tax rate (as a percent)	21.00%	21.00%	21.00%		34.00%
Computed “expected” income tax benefit	$ (565,000)	$ (115,000)
Foreign tax rate differential	18,000	12,000
Valuation allowance	(3,525,000)	(3,092,000)
Other	4,072,000	3,195,000
Deferred tax assets:
Inventories, primarily due to inventory obsolescence and lower of cost or market provisions	1,684,000	1,715,000
Allowance for doubtful accounts	33,000	34,000
Accruals and other	(5,000)	(23,000)
Property, plant and equipment	458,000	528,000
Stock-based compensation	397,000	392,000
Net operating loss carryforwards	21,210,000	19,864,000
Total gross deferred tax assets	23,777,000	22,510,000
Less: Valuation allowance	(23,777,000)	(22,510,000)
Net operating loss carryforwards	$ 3,746,000
Net operating loss carryforwards expiration year	2025
Operating loss carryforwards expiration period	20 years
Unrecognized tax benefits	$ 0	$ 0
One-time transition tax payable period on certain unrepatriated earnings from non-U.S. subsidiaries	8 years