CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Total	Common Stock	Additional Paid-In Capital	Retained Earnings
Beginning Balance (in shares) at Sep. 30, 2021		12,714,000
Beginning Balance at Sep. 30, 2021	$ 65,608,000	$ 13,000	$ 87,893,000	$ (22,298,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Expense related to director restricted stock units	162,000		162,000
Expense related to employee stock-based compensation	338,000		338,000
Exercise of stock warrants (in shares)		54,000
Exercise of stock warrants	200,000		200,000
Net income	7,804,000			7,804,000
Ending Balance (in shares) at Dec. 31, 2021		12,768,000
Ending Balance at Dec. 31, 2021	$ 74,112,000	$ 13,000	88,593,000	(14,494,000)
Beginning Balance (in shares) at Sep. 30, 2022	13,047,000	13,047,000
Beginning Balance at Sep. 30, 2022	$ 92,060,000	$ 13,000	91,057,000	990,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock in business combination (in shares)	527,000
Issuance of common stock in business combination	$ 7,000,000	$ 1,000	6,999,000
Expense related to director restricted stock units	180,000		180,000
Expense related to employee stock-based compensation	372,000		372,000
Common stock surrendered for the exercise of stock options (in shares)		(67,000)
Common stock surrendered for the exercise of stock options	$ 650,000		650,000
Exercise of stock options (in shares)	250,000	250,000
Exercise of stock options	$ 0		0
Net income	$ 1,547,000			1,547,000
Ending Balance (in shares) at Dec. 31, 2022	13,757,000	13,757,000
Ending Balance at Dec. 31, 2022	$ 100,509,000	$ 14,000	$ 97,958,000	$ 2,537,000