Note 3 - Allowance for Loan Losses (Detail) - Impaired Loans (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Commercial [Member]
With no related allowance recorded:
Recorded Investment	$ 7,895,739	$ 9,925,007
Unpaid Principal Balance	7,400,451	9,364,329
Average Recorded Investment	7,957,687	11,647,961
Interest Income Recognized	282,783	54,519
With an allowance recorded:
Recorded Investment	1,079,699	1,079,699
Unpaid Principal Balance	1,078,752	1,078,752
Related Allowance	448,790	446,904
Average Recorded Investment	1,079,699	1,191,996
Interest Income Recognized	3,000	2,489
Total:
Recorded Investment	8,975,438	11,004,706
Unpaid Principal Balance	8,479,203	10,443,081
Related Allowance	448,790	446,904
Average Recorded Investment	9,037,386	12,839,957
Interest Income Recognized	285,783	57,008
Condominiums [Member]
With no related allowance recorded:
Recorded Investment	2,645,311	2,639,843
Unpaid Principal Balance	2,594,632	2,594,631
Average Recorded Investment	2,642,914	2,798,815
Interest Income Recognized	30,000	30,000
With an allowance recorded:
Recorded Investment	7,983,345	7,983,329
Unpaid Principal Balance	7,535,000	7,535,000
Related Allowance	3,644,145	3,644,129
Average Recorded Investment	7,983,334	7,983,281
Interest Income Recognized	64,100	63,957
Total:
Recorded Investment	10,628,656	10,623,172
Unpaid Principal Balance	10,129,632	10,129,631
Related Allowance	3,644,145	3,644,129
Average Recorded Investment	10,626,248	10,782,096
Interest Income Recognized	94,100	93,957
Single-family [Member]
With no related allowance recorded:
Recorded Investment	272,865	250,195
Unpaid Principal Balance	250,000	250,000
Average Recorded Investment	257,752	250,195
Interest Income Recognized	6,876	6,876
Total:
Recorded Investment	272,865	250,195
Unpaid Principal Balance	250,000	250,000
Average Recorded Investment	257,752	250,195
Interest Income Recognized	6,876	6,876
Land [Member]
With no related allowance recorded:
Recorded Investment	4,228,140	4,228,140
Unpaid Principal Balance	4,226,713	4,226,713
Average Recorded Investment	4,695,031	5,048,329
Interest Income Recognized	82,320	88,410
With an allowance recorded:
Recorded Investment	25,110,349	24,707,709
Unpaid Principal Balance	24,202,837	24,202,837
Related Allowance	18,332,749	18,522,864
Average Recorded Investment	25,058,537	24,352,647
Total:
Recorded Investment	29,338,489
Unpaid Principal Balance	28,429,550
Related Allowance	18,332,749	18,522,864
Average Recorded Investment	29,753,568
Interest Income Recognized	82,320
Land [Member]
With an allowance recorded:
Related Allowance		18,522,864
Total:
Recorded Investment		28,935,849
Unpaid Principal Balance		28,429,550
Related Allowance		18,522,864
Average Recorded Investment		29,400,976
Interest Income Recognized		$ 88,410

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