Note 3 - Loans (Detail) - Current, Past Due and Nonaccrual Loans (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Sep. 30, 2011
30-89 Days Past Due $ 1,791 $ 588  
Nonaccrual Loans 715 1,074  
Total Past Due 2,506 1,662  
Current Loans 215,421 195,925  
Total Loans 217,927 197,587 197,764
1-4 Family Residential [Member]
      
30-89 Days Past Due 363 463  
Nonaccrual Loans 490 110  
Total Past Due 853 573  
Current Loans 115,124 105,145  
Total Loans 115,977 105,718 100,982
Home Equity Loans and Lines [Member]
      
30-89 Days Past Due 196 125  
Nonaccrual Loans 150 569  
Total Past Due 346 694  
Current Loans 21,411 17,773  
Total Loans 21,757 18,467 18,695
Multi-family Residential [Member]
      
Nonaccrual Loans 27    
Total Past Due 27    
Current Loans 17,688 14,591  
Total Loans 17,715 14,591 16,644
Commercial Real Estate Loans [Member]
      
30-89 Days Past Due 1,224    
Nonaccrual Loans 48 330  
Total Past Due 1,272 330  
Current Loans 60,301 56,162  
Total Loans 61,573 56,492 59,371
Land Loans [Member]
      
Current Loans 208 1,299  
Total Loans 208 1,299 1,169
Consumer and Other Loans [Member]
      
30-89 Days Past Due 8    
Nonaccrual Loans   65  
Total Past Due 8 65  
Current Loans 689 955  
Total Loans $ 697 $ 1,020 $ 903