Loans (Details Textual) (USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Loans (Additional Textual) [Abstract]    
Interest income related to impaired loans $ 173,712 $ 211,188
Real estate, construction [Member]
   
Loans (Textual) [Abstract]    
Troubled debt restructurings loans segment   891,986
Real estate, mortgage [Member]
   
Loans (Textual) [Abstract]    
Troubled debt restructurings loans segment   $ 1,018,076
Minimum [Member]
   
Loans (Textual) [Abstract]    
Loan on factors 1  
Maximum [Member]
   
Loans (Textual) [Abstract]    
Loan on factors 5