Note 3 - Securities (Detail) - Amortized Cost and Approximate Fair Value of Available for Sale Securities (USD $)	Mar. 31, 2013	Dec. 31, 2012
Securities Amortized Cost	$ 106,635,739	$ 100,709,492
Securities Gross Unrealized (Losses)	(636,160)	(553,767)
Securities Approximate Fair Value	107,435,939	101,980,644
Securities Gross Unrealized Gains	1,436,360	1,824,919
Equity Securities [Member]
Securities Amortized Cost	102,212	102,212
Securities Gross Unrealized (Losses)	(25,921)	(31,604)
Securities Approximate Fair Value	83,762	70,914
Securities Gross Unrealized Gains	7,471	306
US Government Agencies Debt Securities [Member]
Securities Amortized Cost	41,989,994	38,188,554
Securities Gross Unrealized (Losses)	(138,607)	(39,706)
Securities Approximate Fair Value	41,980,066	38,351,061
Securities Gross Unrealized Gains	128,679	202,213
US States and Political Subdivisions Debt Securities [Member]
Securities Amortized Cost	10,179,787	10,212,376
Securities Gross Unrealized (Losses)	(99,387)	(84,456)
Securities Approximate Fair Value	10,255,650	10,378,189
Securities Gross Unrealized Gains	175,250	250,269
Domestic Corporate Debt Securities [Member]
Securities Amortized Cost	2,834,775	1,839,976
Securities Gross Unrealized (Losses)	(7,524)
Securities Approximate Fair Value	2,909,229	1,907,865
Securities Gross Unrealized Gains	81,978	67,889
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Securities Amortized Cost	51,528,971	50,366,374
Securities Gross Unrealized (Losses)	(364,721)	(398,001)
Securities Approximate Fair Value	52,207,232	51,272,615
Securities Gross Unrealized Gains	$ 1,042,982	$ 1,304,242

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

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- Definition

This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.

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