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Note 8 - Stockholders' Equity (Details Textual) - $ / shares					12 Months Ended
	Mar. 01, 2024	Sep. 01, 2023	Mar. 01, 2023	Sep. 01, 2022	Aug. 31, 2024	Aug. 31, 2023
Stock Repurchased and Retired During Period, Shares					0	0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross					269,844	277,613
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price					$ 13.25	$ 11.41
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Including Cashless Exercises					74,309	265,209
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price					$ 9.76	$ 6.46
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period					36,094	184,432
Stock Issued During Period, Shares, Employee Stock Purchase Plans	3,284	3,496	3,566	3,620
The 2024 Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant					957,059
The 2024 Plan [Member] | Employees and Directors [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross					269,844
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price					$ 13.25
The 2019 Plan [member] | Employees and Directors [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross						277,613
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price						$ 11.41
ESPP [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant					55,254

X

- Definition

Number of share options (or share units) exercised during the current period, including cashless exercises.

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Gross number of share options (or share units) granted during the period.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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