Unaudited Condensed Consolidated Statements of Cash Flows (USD $)	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Net income	$ 2,334,287	$ 488,393
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Provision for loan losses, not covered under FDIC loss sharing agreements	300,000	1,500,000
Provision for covered loan losses	94,750	600,000
Depreciation and amortization	411,150	419,996
Accretion and amortization of premiums and discounts, net	789,290	771,804
Accretion of fair value discounts related to covered loans	(2,282,333)	(2,434,999)
Accretion of fair value discounts related to FDIC receivable	(147,674)	(570,129)
Gain on sale of loans and loan servicing release fees	(349,973)	(185,390)
Proceeds from sale of loans	13,141,669	5,833,816
Originations and purchases of loans held for sale	(15,023,619)	(6,212,346)
Gain on sale of mortgage-backed securities, collateralized mortgage obligations and other investments	(219,913)	(632,593)
Other-than-temporary impairment-securities		100,000
Write down of real estate owned	236,434	507,724
Gain on sale of real estate owned	(140,244)	(25,292)
Restricted stock award expense		33,677
Stock option expense	32,083	23,717
Increase in cash surrender value on bank owned life insurance	(255,287)	(272,199)
Changes in assets and liabilities:
Decrease in accrued interest and dividends receivable	361,071	75,187
Increase in other assets	(673,150)	(431,848)
(Decrease) increase in other liabilities	(3,920,255)	749,332
Net cash (used in) provided by operating activities	(5,311,714)	338,850
Proceeds from sales of securities available for sale	13,952,478	27,413,474
Principal collections on securities available for sale	14,073,340	15,913,513
Purchase of securities available for sale	(26,389,800)	(73,601,451)
Proceeds from maturities or calls of securities available for sale	7,066,500	1,036,000
Proceeds from redemption of FHLB stock	45,000	1,335,400
Net decrease in loans receivable	16,050,825	885,095
Net decrease (increase) in FDIC receivable	(8,324,986)	6,828,107
Proceeds from sale of real estate owned	6,358,354	4,404,233
Purchases of premises and equipment	(77,203)	(162,540)
Net cash (used in) provided by investing activities	22,754,508	(15,948,169)
Cash flows from financing activities:
Purchase of treasury stock	(344,044)	(2,197,243)
Dividends paid		(900,861)
Increase (decrease) in deposits	5,856,093	(51,589,968)
Principal payments on Federal Home Loan Bank advances	(1,000,000)
Net decrease in advance payments by borrowers for taxes and insurance	(535,463)	(648,867)
Net cash (used in) provided by financing activities	3,976,586	(55,336,939)
Net increase (decrease) in cash and cash equivalents	21,419,380	(70,946,258)
Cash and cash equivalents at beginning of period	108,828,220	149,761,646
Cash and cash equivalents at end of period	130,247,600	78,815,388
Supplemental disclosures of cash flow information:
Interest paid	2,091,569	3,547,078
Income taxes paid	2,650,110	205,000
Supplemental disclosure of noncash activities:
Real estate acquired through foreclosure of collateral on loans receivable	4,102,125	3,747,265
Write down of real estate owned reimbursed by the FDIC	307,402	1,150,000
Issuance of common stock under stock benefit plan		148,875
Unrealized loss on securities available for sale, net	$ (568,429)	$ (927,674)