Note 3 - Investment Securities: Schedule of amortized cost and estimated fair values of debt securities (Details) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Available-for-sale Securities, Amortized Cost Basis	$ 131,864,056	$ 128,031,318
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value	135,625,042	132,847,073
Held to Maturity, at amortized cost	17,111,821	22,762,252
US States and Political Subdivisions Debt Securities
Available-for-sale Securities, Amortized Cost Basis	131,733,740	127,901,002
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value	135,285,287	132,428,086
Held to Maturity, at amortized cost	17,111,821	22,762,252
Held-to-maturity Securities, Fair Value	17,349,581	23,129,621
Corporate Debt Securities
Available-for-sale Securities, Amortized Cost Basis	130,316	130,316
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value	$ 339,755	$ 418,987