Loss Per Common Share - Calculation of Net Loss and Weighted Average Common Shares and Common Equivalent Shares Outstanding for Computation of Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Net loss	$ (22,856)	$ (14,056)
Loss attributable to common shareholders for diluted earnings per share	$ (22,856)	$ (14,056)
Weighted average number of common share equivalents:
Common shares used in basic loss per share	12,987,996	13,358,930
Total weighted average common shares and common share equivalents used in diluted loss per share	12,987,996	13,358,930
Loss per shares basic:
Basic	$ (1.76)	$ (1.05)
Loss per shares diluted:
Diluted	$ (1.76)	$ (1.05)