Note 2 - Securities (Detail) - Amortized Cost and Approximate Fair Value of Available for Sale Securities (USD $)	Dec. 31, 2012	Dec. 31, 2011
Securities Amortized Cost	$ 100,709,492	$ 79,808,869
Securities Gross Unrealized (Losses)	(553,767)	(159,078)
Securities Approximate Fair Value	101,980,644	81,064,878
Securities Gross Unrealized Gains	1,824,919	1,415,087
Equity Securities [Member]
Securities Amortized Cost	102,212	102,212
Securities Gross Unrealized (Losses)	(31,604)	(39,950)
Securities Approximate Fair Value	70,914	62,262
Securities Gross Unrealized Gains	306
US Government Agencies Debt Securities [Member]
Securities Amortized Cost	38,188,554	34,668,833
Securities Gross Unrealized (Losses)	(39,706)	(64,264)
Securities Approximate Fair Value	38,351,061	34,726,662
Securities Gross Unrealized Gains	202,213	122,093
US States and Political Subdivisions Debt Securities [Member]
Securities Amortized Cost	10,212,376	4,049,701
Securities Gross Unrealized (Losses)	(84,456)	(44,038)
Securities Approximate Fair Value	10,378,189	4,144,399
Securities Gross Unrealized Gains	250,269	138,736
Domestic Corporate Debt Securities [Member]
Securities Amortized Cost	1,839,976
Securities Approximate Fair Value	1,907,865
Securities Gross Unrealized Gains	67,889
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Securities Amortized Cost	50,366,374	38,950,955
Securities Gross Unrealized (Losses)	(398,001)	(10,826)
Securities Approximate Fair Value	51,272,615	40,088,918
Securities Gross Unrealized Gains	1,304,242	1,148,789
US Treasury Securities [Member]
Securities Amortized Cost		2,037,168
Securities Approximate Fair Value		2,042,637
Securities Gross Unrealized Gains		$ 5,469

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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