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	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Net loss	$ (97)	$ (6,768)
Loss attributable to common shareholders for diluted earnings per share	$ (97)	$ (6,768)
Weighted average number of common share equivalents:
Common shares used in basic loss per share	13,067,991	12,919,673
Total weighted average common shares and common share equivalents used in diluted loss per share	13,067,991	12,919,673
Loss per share basic:
Basic	$ (0.01)	$ (0.52)
Loss per share diluted:
Diluted	$ (0.01)	$ (0.52)