Note 4 - Allowance for Loan Losses (Detail) - Impaired Loans (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Commercial Real Estate [Member]
With no related allowance recorded:
Recorded Investment	$ 9,925,007	$ 11,617,607
Unpaid Principal Balance	9,364,329	11,263,451
Average Recorded Investment	11,401,909	12,931,957
Interest Income Recognized	484,769	856,979
With an allowance recorded:
Recorded Investment	1,079,699	1,194,352
Unpaid Principal Balance	1,078,752	1,194,257
Related Allowance	446,904	701,543
Average Recorded Investment	1,079,207	2,016,942
Interest Income Recognized	26,969	48,117
Total:
Recorded Investment	11,004,706	12,811,959
Unpaid Principal Balance	10,443,081	12,457,708
Related Allowance	446,904	701,543
Average Recorded Investment	12,481,116	14,948,899
Interest Income Recognized	511,738	905,096
Condominiums [Member]
With no related allowance recorded:
Recorded Investment	2,639,843	2,873,107
Unpaid Principal Balance	2,594,631	2,834,534
Average Recorded Investment	2,679,540	231,212
Interest Income Recognized	150,000	286,948
With an allowance recorded:
Recorded Investment	7,983,329	7,983,281
Unpaid Principal Balance	7,535,000	7,535,000
Related Allowance	3,644,129	3,855,281
Average Recorded Investment	7,983,285	13,581,153
Interest Income Recognized	240,952	279,279
Total:
Recorded Investment	10,623,172	10,856,388
Unpaid Principal Balance	10,129,631	10,369,534
Related Allowance	3,644,129	3,855,281
Average Recorded Investment	10,662,825	13,812,365
Interest Income Recognized	390,952	566,227
Single-family [Member]
With no related allowance recorded:
Recorded Investment	250,195	250,195
Unpaid Principal Balance	250,000	250,000
Average Recorded Investment	250,195	1,256,555
Interest Income Recognized	22,944	25,212
Total:
Recorded Investment	250,195	250,195
Unpaid Principal Balance	250,000	250,000
Average Recorded Investment	250,195	1,256,555
Interest Income Recognized	22,944	25,212
Improved and unimproved land [Member]
With no related allowance recorded:
Recorded Investment	4,228,140	5,048,329
Unpaid Principal Balance	4,226,713	5,046,974
Average Recorded Investment	4,660,816	12,623,196
Interest Income Recognized	339,828	250,613
With an allowance recorded:
Recorded Investment	24,707,709	24,337,602
Unpaid Principal Balance	24,202,837	24,202,837
Related Allowance	18,522,864	17,735,073
Average Recorded Investment	24,616,610	36,436,177
Total:
Recorded Investment	28,935,849	29,385,931
Unpaid Principal Balance	28,429,550	29,249,811
Related Allowance	18,522,864	17,735,073
Average Recorded Investment	29,277,426	49,059,373
Interest Income Recognized	$ 339,828	$ 250,613