Unaudited Condensed Consolidated Statements of Income (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Interest income:
Loans receivable	$ 8,939,425	$ 8,575,982	$ 17,844,057	$ 16,730,672
Mortgage-backed securities and collateralized mortgage obligations	793,093	953,406	1,623,770	1,922,119
Federal Home Loan Bank stock	36,978	37,145	73,686	67,176
Other investment securities available for sale	153,020	19,222	197,874	38,029
Interest-earning deposits in other financial institutions	18,812	84,198	59,848	169,496
Amortization of FDIC loss share receivable	(901,603)	(746,391)	(1,790,514)	(746,391)
Total interest income	9,039,725	8,923,562	18,008,721	18,181,101
Interest expense:
Deposits	658,445	804,420	1,391,372	1,689,845
Borrowings	577,637	625,660	1,180,382	1,276,528
Total interest expense	1,236,082	1,430,080	2,571,754	2,966,373
Net interest income	7,803,643	7,493,482	15,436,967	15,214,728
Provision for loan losses, not covered under FDIC loss sharing agreements	0	0	0	300,000
Provision for covered loan losses	(4,000)	(53,693)	0	(51,577)
Net interest income after provision for loan losses	7,807,643	7,547,175	15,436,967	14,966,305
Noninterest income:
Service charges on deposit accounts	1,512,974	1,371,627	3,094,952	2,799,942
Bankcard fees	993,538	863,519	1,941,161	1,690,730
Loss on investment securities available for sale	(27,893)	0	(27,209)	0
Bank owned life insurance	279,302	339,279	603,715	646,980
Gain on sale of loans and loan servicing release fees	351,578	266,445	718,581	438,831
Brokerage commissions	202,483	183,826	356,787	328,351
FDIC receivable for loss sharing agreements accretion (impairment)	27,059	82,875	74,519	(6,867)
Other	111,651	109,114	254,152	1,435,133
Total noninterest income	3,450,692	3,216,685	7,016,658	7,333,100
Noninterest expenses:
Salaries and employee benefits	5,077,774	4,851,837	10,092,041	9,552,789
Occupancy	1,838,048	1,873,734	3,713,711	3,766,149
Legal and professional	385,283	386,639	625,909	940,586
Marketing	367,238	336,534	632,470	636,274
Federal insurance premiums and other regulatory fees	179,856	250,911	375,446	502,261
Net cost (benefit) of operations of real estate owned	141,568	(2,110)	84,248	286,692
Furniture and equipment	223,666	158,425	374,201	324,447
Postage, office supplies and printing	224,025	180,778	464,632	406,626
Core deposit intangible amortization expense	68,088	99,742	142,396	206,060
Other	557,503	443,782	1,293,783	1,158,465
Total noninterest expenses	9,063,049	8,580,272	17,798,837	17,780,349
Income before income taxes	2,195,286	2,183,588	4,654,788	4,519,056
Income tax expense	761,055	692,778	1,547,053	1,391,178
Net income	1,434,231	1,490,810	3,107,735	3,127,878
Basic net income per share (in USD per share)	$ 0.09	$ 0.07	$ 0.19	$ 0.14
Diluted net income per share (in USD per share)	$ 0.09	$ 0.07	$ 0.19	$ 0.14
Weighted average number of common shares outstanding (in shares)	15,835,418	21,701,476	16,007,320	21,855,743
Weighted average number of common and potential common shares outstanding (in shares)	16,375,507	22,223,877	16,547,409	22,378,144
Principal reductions, non-covered			$ 0