Stock-Based Compensation (Narrative) (Details) $ in Thousands	3 Months Ended
Nov. 30, 2022 USD ($) item shares	Nov. 30, 2021 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued from treasury stock	56,045
Shares withheld for tax	17,639
Shares withheld for tax, fair value \| $	$ 800
Stock-based compensation \| $	$ 2,735	$ 1,649
Fiscal 2023, Long-Term Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of tranches \| item	2
Fiscal 2022 Long Term Incentive Plan Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued under terms of the award	34,000
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Price of common stock as a percent of the average fair market value	85.00%
Shares issued to employee stock purchase plan participants	9,093
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost of common stock issued from treasury \| $
Unvested Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation \| $	$ 165	175
Time-Based Award [Member] \| Fiscal 2023, Long-Term Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of performance award to be granted	25.00%
Shares may be awarded	23,000
Number of tranches \| item	1
Performance-Based Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued under terms of the award	70,000
Performance-Based Award [Member] \| Fiscal 2023, Long-Term Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of tranches \| item	1
Percent of performance-based objectives	100.00%
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation \| $	$ 65	$ 57
Tranche One and Two [Member] \| Performance-Based Award [Member] \| Fiscal 2023, Long-Term Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares may be awarded	140,000
Tranche One and Two [Member] \| Performance-Based Award [Member] \| Minimum [Member] \| Fiscal 2023, Long-Term Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of performance award to be granted	50.00%
Tranche One and Two [Member] \| Performance-Based Award [Member] \| Maximum [Member] \| Fiscal 2023, Long-Term Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of performance award to be granted	200.00%

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