Consolidated Statements of Cash Flows (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 3,402,849	$ 2,231,484
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	591,465	595,249
Provision for loan/lease losses	780,446	1,067,664
Amortization of offering costs on subordinated debentures	3,579	3,579
Stock-based compensation expense	326,245	246,074
Losses on sales of other real estate owned, net	189,204	25,098
Amortization of premiums on securities, net	983,617	888,895
Securities gains		(880,312)
Loans originated for sale	(24,070,517)	(20,240,641)
Proceeds on sales of loans	24,972,257	33,816,963
Gains on sales of loans, net	(399,090)	(759,693)
Prepayment fees on Federal Home Loan Bank advances		832,099
Increase in accrued interest receivable	(376,413)	(99,677)
Decrease in prepaid FDIC insurance	314,255	621,382
Increase in cash value of bank-owned life insurance	(438,402)	(344,411)
Decrease in other assets	623,895	1,114,324
Decrease in other liabilities	(1,327,767)	(2,002,950)
Net cash provided by operating activities	5,575,623	17,115,127
CASH FLOWS FROM INVESTING ACTIVITIES
Net decrease (increase) in federal funds sold	20,785,000	(7,300,000)
Net decrease in interest-bearing deposits at financial institutions	1,262,389	11,370,983
Proceeds from sales of other real estate owned	209,383	1,850,360
Activity in securities portfolio:
Purchases	(159,077,553)	(168,245,889)
Calls, maturities and redemptions	98,751,724	61,590,000
Paydowns	5,720,417	361,643
Sales		37,394,079
Activity in restricted investment securities:
Purchases	(189,400)
Redemptions	334,000	1,247,300
Net (increase) decrease in loans/leases originated and held for investment	(12,234,648)	1,553,348
Purchase of premises and equipment	(539,900)	(328,656)
Net cash used in investing activities	(44,978,588)	(60,506,832)
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase in deposit accounts	91,291,345	80,042,029
Net decrease in short-term borrowings	(63,635,950)	(6,282,756)
Activity in Federal Home Loan Bank advances:
Advances	4,000,000
Calls and maturities	(5,000,000)	(13,500,000)
Prepayments		(15,832,099)
Net increase (decrease) in other borrowings	2,025	(6,440,937)
Payment of cash dividends on common and preferred stock	(1,214,611)	(1,098,883)
Proceeds from issuance of common stock, net	63,304	212,456
Net cash provided by financing activities	25,506,113	37,099,810
Net decrease in cash and due from banks	(13,896,852)	(6,291,895)
Cash and due from banks, beginning	53,136,710	42,030,806
Cash and due from banks, ending	39,239,858	35,738,911
Supplemental disclosure of cash flow information, cash payments for:
Interest	5,141,834	6,590,262
Income/franchise taxes	591,000	368,270
Supplemental schedule of noncash investing activities:
Change in accumulated other comprehensive income, unrealized gains (losses) on securities available for sale, net	(1,517,235)	(1,345,554)
Transfers of loans to other real estate owned	$ 185,000	$ 1,698,351