Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Interest and dividend income
Loans receivable and loans held for sale	$ 14,950	$ 12,620	$ 29,407	$ 25,242
Investment securities	2,460	590	4,674	996
Dividends from mutual funds, FHLB stock and other investments	64	27	115	54
Interest-bearing deposits in banks and CDs	1,913	283	4,304	571
Total interest and dividend income	19,387	13,520	38,500	26,863
Interest expense
Deposits	2,236	625	3,606	1,257
FHLB borrowings	0	2	0	17
Total interest expense	2,236	627	3,606	1,274
Net interest income	17,151	12,893	34,894	25,589
Provision for loan losses	475	0	1,000	0
Net interest income after provision for loan losses	16,676	12,893	33,894	25,589
Non-interest income
Net recoveries on investment securities	2	3	5	11
BOLI net earnings	157	152	313	305
Gain on sales of loans, net	46	416	67	1,079
Valuation recovery on loan servicing rights, net	0	0	0	119
Other, net	234	207	531	438
Total non-interest income, net	2,636	3,083	5,341	6,525
Non-interest expense
Salaries and employee benefits	6,046	5,192	11,946	10,363
Premises and equipment	1,001	988	1,925	1,916
Advertising	178	161	372	327
OREO and other repossessed assets, net	0	2	0	(16)
ATM and debit card interchange transaction fees	489	450	972	914
Postage and courier	147	164	268	300
State and local taxes	298	235	597	489
Professional fees	473	322	902	593
Federal Deposit Insurance Corporation ("FDIC") insurance	202	126	326	254
Loan administration and foreclosure	138	96	259	200
Data processing and telecommunications	880	669	1,668	1,282
Deposit operations	246	262	592	561
Amortization of CDI	67	79	135	158
Other	779	587	1,517	1,256
Total non-interest expense, net	10,944	9,333	21,479	18,597
Income before income taxes	8,368	6,643	17,756	13,517
Provision for income taxes	1,705	1,316	3,587	2,705
Net income	$ 6,663	$ 5,327	$ 14,169	$ 10,812
Net income per common share
Basic (in dollars per share)	$ 0.81	$ 0.64	$ 1.72	$ 1.30
Diluted (in dollars per share)	$ 0.80	$ 0.63	$ 1.70	$ 1.28
Weighted average common shares outstanding
Basic (in shares)	8,220,532	8,337,407	8,226,467	8,346,839
Diluted (in shares)	8,304,370	8,421,875	8,311,630	8,435,536
Deposit Account
Non-interest income
Revenue from contract with customer	$ 893	$ 1,014	$ 1,840	$ 1,927
Credit and Debit Card
Non-interest income
Revenue from contract with customer	1,275	1,247	2,526	2,523
Asset Management
Non-interest income
Revenue from contract with customer	$ 29	$ 44	$ 59	$ 123