Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Fair Value of Assets Measured on Recurring Basis (USD $)	Sep. 30, 2013	Dec. 31, 2012
Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Fair Value of Assets Measured on Recurring Basis [Line Items]
Available-for-sale securities	$ 105,870,922	$ 101,980,644
Other Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Fair Value of Assets Measured on Recurring Basis [Line Items]
Available-for-sale securities	88,000	71,000
Other Equity Securities [Member]
Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Fair Value of Assets Measured on Recurring Basis [Line Items]
Available-for-sale securities	88,000	71,000
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Fair Value of Assets Measured on Recurring Basis [Line Items]
Available-for-sale securities	37,579,000	38,351,000
US Government Agencies Debt Securities [Member]
Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Fair Value of Assets Measured on Recurring Basis [Line Items]
Available-for-sale securities	37,578,592	38,351,061
Municipals [Member] | Fair Value, Inputs, Level 2 [Member]
Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Fair Value of Assets Measured on Recurring Basis [Line Items]
Available-for-sale securities	13,359,000	10,378,000
Municipals [Member]
Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Fair Value of Assets Measured on Recurring Basis [Line Items]
Available-for-sale securities	13,359,000	10,378,000
Domestic Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Fair Value of Assets Measured on Recurring Basis [Line Items]
Available-for-sale securities	985,000	1,908,000
Domestic Corporate Debt Securities [Member]
Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Fair Value of Assets Measured on Recurring Basis [Line Items]
Available-for-sale securities	985,027	1,907,865
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Inputs, Level 2 [Member]
Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Fair Value of Assets Measured on Recurring Basis [Line Items]
Available-for-sale securities	53,860,000	51,273,000
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Fair Value of Assets Measured on Recurring Basis [Line Items]
Available-for-sale securities	53,860,236	51,272,615
Fair Value, Inputs, Level 1 [Member]
Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Fair Value of Assets Measured on Recurring Basis [Line Items]
Available-for-sale securities	88,000	71,000
Fair Value, Inputs, Level 2 [Member]
Note 8 - Disclosures about Fair Value of Assets and Liabilities (Details) - Fair Value of Assets Measured on Recurring Basis [Line Items]
Available-for-sale securities	$ 105,783,000	$ 101,910,000