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	486,000		486,000
Common stock surrendered for the exercise of stock options (in shares)		(31,000)
Common stock surrendered for the exercise of stock options	(281,000)		(281,000)
Exercise of stock options (in shares)		224,000
Exercise of stock options	343,000		343,000
Exercise of stock warrants (in shares)		54,000
Exercise of stock warrants	200,000		200,000
Net income	19,846,000			19,846,000
Ending Balance (in shares) at Jun. 30, 2022		12,961,000
Ending balance at Jun. 30, 2022	87,668,000	$ 13,000	90,107,000	(2,452,000)
Beginning Balance (in shares) at Mar. 31, 2022		12,794,000
Beginning balance at Mar. 31, 2022	82,361,000	$ 13,000	89,664,000	(7,316,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Expense related to director restricted stock units	162,000		162,000
Common stock surrendered for the exercise of stock options (in shares)		(31,000)
Common stock surrendered for the exercise of stock options	(281,000)		(281,000)
Exercise of stock options (in shares)		198,000
Exercise of stock options	81,000		81,000
Net income	4,864,000			4,864,000
Ending Balance (in shares) at Jun. 30, 2022		12,961,000
Ending balance at Jun. 30, 2022	$ 87,668,000	$ 13,000	90,107,000	(2,452,000)
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 and fair value adjustment of common stock in business combination (in shares)	527,000
Issuance and fair value adjustment of common stock in business combination	$ 6,539,000	$ 1,000	6,538,000
Expense related to director restricted stock units	539,000		539,000
Expense related to employee stock options	1,481,000		1,481,000
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)	393,000	393,000
Exercise of stock options	$ 1,107,000		1,107,000
Net income	$ 4,090,000			4,090,000
Ending Balance (in shares) at Jun. 30, 2023	13,900,000	13,900,000
Ending balance at Jun. 30, 2023	$ 105,166,000	$ 14,000	100,072,000	5,080,000
Beginning Balance (in shares) at Mar. 31, 2023		13,793,000
Beginning balance at Mar. 31, 2023	101,940,000	$ 14,000	98,584,000	3,342,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Expense related to director restricted stock units	179,000		179,000
Expense related to employee stock options	489,000		489,000
Exercise of stock options (in shares)		107,000
Exercise of stock options	820,000		820,000
Net income	$ 1,738,000			1,738,000
Ending Balance (in shares) at Jun. 30, 2023	13,900,000	13,900,000
Ending balance at Jun. 30, 2023	$ 105,166,000	$ 14,000	$ 100,072,000	$ 5,080,000