Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2020
Accounts receivable reserve
Changes in valuation allowances and reserves
Balance at Beginning of Year	$ 451	$ 438	$ 739
Charges to Operations	953	751	921
Deductions to Reserves	(794)	(738)	(1,222)
Balance at End of Year	610	451	438
Warranty reserve
Changes in valuation allowances and reserves
Balance at Beginning of Year	0	0	37
Deductions to Reserves			(37)
Balance at End of Year	$ 0	$ 0	$ 0

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of valuation and qualifying accounts and reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09(Column B))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09(Column E))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690

+ Details

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- Definition

Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense.

+ References

+ Details

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- Definition

Amount of decrease in valuation and qualifying accounts and reserves.

+ References

+ Details

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