Note 3 - Securities (Details) - Available-for-sale Securities (USD $)	Mar. 31, 2015	Dec. 31, 2014
Note 3 - Securities (Details) - Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	$ 87,187,007	$ 87,179,764
Available-for-sale securities, gross unrealized (losses)	(586,394)	(1,149,624)
Available-for-sale securities, approximate fair value	87,255,740us-gaap_AvailableForSaleSecurities	86,467,985us-gaap_AvailableForSaleSecurities
Available-for-sale securities, gross unrealized gains	655,127	437,845
Equity Securities [Member]
Note 3 - Securities (Details) - Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	102,212	102,212
Available-for-sale securities, gross unrealized (losses)	(13,114)	(13,310)
Available-for-sale securities, approximate fair value	105,345	105,023
Available-for-sale securities, gross unrealized gains	16,247	16,121
US Government Agencies Debt Securities [Member]
Note 3 - Securities (Details) - Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	8,532,280	10,528,055
Available-for-sale securities, gross unrealized (losses)	(80,050)	(271,282)
Available-for-sale securities, approximate fair value	8,452,230	10,256,773
US States and Political Subdivisions Debt Securities [Member]
Note 3 - Securities (Details) - Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	16,147,060	15,474,316
Available-for-sale securities, gross unrealized (losses)	(45,703)	(70,173)
Available-for-sale securities, approximate fair value	16,323,729	15,589,890
Available-for-sale securities, gross unrealized gains	222,372	185,747
Corporate Debt Securities [Member]
Note 3 - Securities (Details) - Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	3,940,947
Available-for-sale securities, gross unrealized (losses)	(60,947)
Available-for-sale securities, approximate fair value	3,880,000
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Note 3 - Securities (Details) - Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	58,464,508	61,075,181
Available-for-sale securities, gross unrealized (losses)	(386,580)	(794,859)
Available-for-sale securities, approximate fair value	58,494,436	60,516,299
Available-for-sale securities, gross unrealized gains	$ 416,508	$ 235,977

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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