Note 5 - Loans Receivable (Detail) - Troubled Debt Restructurings (USD $)	Dec. 31, 2011 Commercial Real Estate Other Receivable [Member] Accruing Loans [Member] Below Market Interest Rate [Member]	Dec. 31, 2012 Commercial Real Estate Other Receivable [Member] Nonaccrual Loans [Member] Payment Structure Modification [Member]	Dec. 31, 2011 Accruing Loans [Member] Below Market Interest Rate [Member]	Dec. 31, 2011 Accruing Loans [Member]	Dec. 31, 2012 Nonaccrual Loans [Member] Payment Structure Modification [Member]
Payment structure modification
Number of loans	6	1	6	6	1
Pre-Modification Outstanding Recorded Investment	$ 835,484	$ 80,462	$ 835,484	$ 835,484	$ 80,462
Post-Modification Outstanding Recorded Investment	$ 819,484	$ 41,080	$ 819,484	$ 819,484	$ 41,080