Initial direct leasing costs as a percentage of cost.

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Lending threshold requiring additional loan review.

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Percentage of total loans/leases.

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Residual value percent of cost.

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Percentage of voting equity interests acquired in the business combination.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Note 1 - Nature of Business and Significant Accounting Policies (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2012 m2 Lease Funds LLC [Member]	Dec. 31, 2012 Velie Plantation Holding Company LLC [Member]	Dec. 31, 2012 In-the-money Options [Member]	Dec. 31, 2012 Owner-occupied commercial real estate [Member]	Dec. 31, 2011 Owner-occupied commercial real estate [Member]	Dec. 31, 2012 Minimum [Member]	Dec. 31, 2012 Maximum [Member]	Dec. 31, 2012 m2 Lease Funds LLC [Member]	Aug. 27, 2012 m2 Lease Funds LLC [Member]	Oct. 31, 2012 Velie Plantation Holding Company LLC [Member]	Dec. 31, 2012 Minimum Required Under Federal Banking Regulations [Member]	Dec. 31, 2011 Minimum Required Under Federal Banking Regulations [Member]
Equity Method Investment, Ownership Percentage	2.25%				80.00%	91.00%
Business Acquisition, Percentage of Voting Interests Acquired												20.00%	20.00%	9.00%
Cash and Cash Equivalents, at Carrying Value (in Dollars)	$ 61,568,446	$ 53,136,710	$ 42,030,806	$ 35,878,046											$ 15,512,000	$ 6,247,000
Residual Value Percent of Cost										3.00%	15.00%
Initial Direct Leasing Costs As a Percentage of Cost	4.00%
								35.00%	29.00%
Lending Threshold Requiring Additional Loan Review (in Dollars)	1,000,000
Share-based Compensation (in Dollars)	849,760	696,407	488,112
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized (in Dollars)	419,100
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	2 years 73 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number (in Shares)	391,378	355,398	321,336				305,222
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value (in Dollars)	1,295,785
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value (in Dollars)	398,168
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value (in Dollars)	$ 56,371	$ 47,026	$ 16,639