Net (Loss) Income Per Share Data - Denominator for Computation of Diluted Weighted Average Shares Outstanding (Detail) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Basic weighted average shares outstanding	13,929	13,837	13,907	13,740
Dilutive effect of outstanding stock options, non-vested restricted stock, and non-vested restricted stock units				219
Diluted weighted average shares outstanding	13,929	13,837	13,907	13,959