Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021
Statement of Financial Position [Abstract]
Allowance for Doubtful Accounts, Premiums and Other Receivables	$ 63	$ 86
Preferred shares authorized	5,000,000	5,000,000
Preferred Series A Junior Participating	250,000	250,000
Preferred stock, par value	$ 0.01	$ 0.01
Common stock, par value	$ 0.10	$ 0.10
Common stock, authorized	25,000,000	25,000,000
Common stock, issued	3,431,896	3,415,643
Common stock, outstanding	3,431,896	3,415,643