Income Taxes (Details) - USD ($)	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	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	$ (610,000)	$ (578,000)
Foreign operations	(520,000)	(1,453,000)
Loss before income taxes	$ (1,130,000)	$ (2,031,000)
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	$ (237,000)	$ (427,000)
Foreign tax rate differential	5,000	13,000
Valuation allowance	2,567,000	(2,191,000)
Other	(2,335,000)	2,605,000
Deferred tax assets:
Inventories, primarily due to inventory obsolescence and lower of cost or market provisions	1,627,000	1,691,000
Allowance for doubtful accounts		33,000
Accruals and other	(82,000)	4,000
Property, plant and equipment	112,000	435,000
Stock-based compensation	390,000	387,000
Net operating loss carryforwards	8,748,000	11,064,000
Total gross deferred tax assets	10,795,000	13,614,000
Less: Valuation allowance	(10,795,000)	(13,614,000)
Net operating loss carryforwards	$ 4,319,000
Net operating loss carryforwards expiration year	2024
Operating loss carryforwards expiration period	20 years
Unrecognized tax benefits	$ 0	$ 0
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%		34.00%
One-time transition tax payable period on certain unrepatriated earnings from non-U.S. subsidiaries	8 years