Note 3 - Securities (Details) - Available-for-sale Securities - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Note 3 - Securities (Details) - Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	$ 84,519,500	$ 87,179,764
Available-for-sale securities, gross unrealized (losses)	(1,327,746)	(1,149,624)
Available-for-sale securities, approximate fair value	83,408,795	86,467,985
Available-for-sale securities, gross unrealized gains	217,041	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)	(12,012)	(13,310)
Available-for-sale securities, approximate fair value	110,565	105,023
Available-for-sale securities, gross unrealized gains	20,365	16,121
US Government Agencies Debt Securities [Member]
Note 3 - Securities (Details) - Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	8,532,812	10,528,055
Available-for-sale securities, gross unrealized (losses)	(153,513)	(271,282)
Available-for-sale securities, approximate fair value	8,379,299	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	15,919,342	15,474,316
Available-for-sale securities, gross unrealized (losses)	(184,754)	(70,173)
Available-for-sale securities, approximate fair value	15,818,471	15,589,890
Available-for-sale securities, gross unrealized gains	83,883	185,747
Corporate Debt Securities [Member]
Note 3 - Securities (Details) - Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	3,950,889
Available-for-sale securities, gross unrealized (losses)	(66,135)
Available-for-sale securities, approximate fair value	3,898,750
Available-for-sale securities, gross unrealized gains	13,996
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	56,014,245	61,075,181
Available-for-sale securities, gross unrealized (losses)	(911,332)	(794,859)
Available-for-sale securities, approximate fair value	55,201,710	60,516,299
Available-for-sale securities, gross unrealized gains	$ 98,797	$ 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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