Loans Receivable and Allowance for Loan Losses (Details 3) (USD $)
Jun. 30, 2012
Dec. 31, 2011
Dec. 31, 2010
Allowance [Abstract]      
Evaluated for impairment Individually, Allowance $ 662,000 $ 2,665,000  
Collectively, Allowance 4,580,000 5,078,000  
Allowance for loan losses, Allowance 5,241,995 7,743,470 6,271,045
Evaluated for impairment Individually, Loans 25,779,000 26,503,000  
Collectively, Loans 260,204,000 276,895,000  
Loans receivable 285,982,883 303,398,403 6,271,045
Real Estate Construction Financing Receivable [Member]
     
Allowance [Abstract]      
Evaluated for impairment Individually, Allowance 6,000 1,782,000  
Collectively, Allowance 1,634,000 1,509,000  
Allowance for loan losses, Allowance 1,640,000 3,291,000 2,548,000
Evaluated for impairment Individually, Loans 5,737,000 8,618,000  
Collectively, Loans 31,008,000 34,702,000  
Loans receivable 36,745,000 43,320,000 2,548,000
Residential Real Estate [Member]
     
Allowance [Abstract]      
Evaluated for impairment Individually, Allowance 145,000 344,000  
Collectively, Allowance 1,684,000 2,413,000  
Allowance for loan losses, Allowance 1,829,000 2,757,000 1,730,000
Evaluated for impairment Individually, Loans 6,311,000 4,644,000  
Collectively, Loans 73,003,000 76,326,000  
Loans receivable 79,314,000 80,970,000 1,730,000
Commercial Real Estate [Member]
     
Allowance [Abstract]      
Evaluated for impairment Individually, Allowance 397,000 471,000  
Collectively, Allowance 622,000 670,000  
Allowance for loan losses, Allowance 1,019,000 1,081,000 947,000
Evaluated for impairment Individually, Loans 11,145,000 11,895,000  
Collectively, Loans 118,816,000 121,708,000  
Loans receivable 129,961,000 133,603,000 947,000
Real Estate [Member]
     
Allowance [Abstract]      
Evaluated for impairment Individually, Allowance 548,000 2,597,000  
Collectively, Allowance 3,940,000 4,532,000  
Allowance for loan losses, Allowance 4,488,000 7,129,000 5,225,000
Evaluated for impairment Individually, Loans 23,193,000 22,157,000  
Collectively, Loans 222,827,000 232,736,000  
Loans receivable 246,020,000 257,893,000 5,225,000
Commercial Loan [Member]
     
Allowance [Abstract]      
Evaluated for impairment Individually, Allowance 101,000 55,000  
Collectively, Allowance 611,000 520,000  
Allowance for loan losses, Allowance 712,000 575,000 998,000
Evaluated for impairment Individually, Loans 2,562,000 1,299,000  
Collectively, Loans 28,807,000 35,166,000  
Loans receivable 31,369,000 36,465,000 998,000
Consumer and Other Financing Receivable [Member]
     
Allowance [Abstract]      
Evaluated for impairment Individually, Allowance 13,000 13,000  
Collectively, Allowance 29,000 26,000  
Allowance for loan losses, Allowance 42,000 39,000 48,000
Evaluated for impairment Individually, Loans 24,000 47,000  
Collectively, Loans 8,570,000 8,993,000  
Loans receivable $ 8,594,000 $ 9,040,000 $ 48,000