Loss Per Share (Computation Of Loss Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Nov. 30, 2020	Nov. 30, 2019
Numerator for basic and diluted loss per share:
Net loss	$ (892)	$ (544)
Denominator for basic and diluted loss per share:
Basic weighted average shares outstanding	13,977	13,982
Effect of dilutive securities:
Stock options and other stock-based awards
Diluted weighted average shares outstanding	13,977	13,982
EPS Calculations:
Net loss per share: Basic and diluted	$ (0.06)	$ (0.04)