Investment Securities (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Loan maturity distribution by type and related interest rate
Available-for-sale Securities, Contractual Maturities, Less than one year, Value	$ 216	$ 421
Available-for-sale Securities, Contractual Maturities, Less than one year, Yield	2.40%	1.43%
Available-for-sale Securities, Contractual Maturities, One to Five Years, Value	3,639	3,671
Available-for-sale Securities, Contractual Maturities, One to Five Years, Yield	0.60%	0.60%
Available-for-sale Securities, Contractual Maturities, Five to Ten Years, Value	4,803	5,031
Available-for-sale Securities, Contractual Maturities, Five to Ten Years, Yield	3.11%	3.11%
Available-for-sale Securities, Contractual Maturities, Over Ten Years, Value	60,825	69,099
Available-for-sale Securities, Contractual Maturities, Over Ten Years, Yield	2.31%	2.42%
Investment securities available for sale, Value	69,483	78,222
Available-for-sale Securities, Contractual Securities, Yield Total	2.27%	2.37%
US Government agencies [Member]
Loan maturity distribution by type and related interest rate
Available-for-sale Securities, Contractual Maturities, Less than one year, Value
Available-for-sale Securities, Contractual Maturities, Less than one year, Yield
Available-for-sale Securities, Contractual Maturities, One to Five Years, Value
Available-for-sale Securities, Contractual Maturities, One to Five Years, Yield
Available-for-sale Securities, Contractual Maturities, Five to Ten Years, Value
Available-for-sale Securities, Contractual Maturities, Five to Ten Years, Yield
Available-for-sale Securities, Contractual Maturities, Over Ten Years, Value	7,314	7,785
Available-for-sale Securities, Contractual Maturities, Over Ten Years, Yield	2.42%	2.42%
Investment securities available for sale, Value	7,314	7,785
Available-for-sale Securities, Contractual Securities, Yield Total	2.42%	2.42%
SBA securities [Member]
Loan maturity distribution by type and related interest rate
Available-for-sale Securities, Contractual Maturities, Less than one year, Value
Available-for-sale Securities, Contractual Maturities, Less than one year, Yield
Available-for-sale Securities, Contractual Maturities, One to Five Years, Value
Available-for-sale Securities, Contractual Maturities, One to Five Years, Yield
Available-for-sale Securities, Contractual Maturities, Five to Ten Years, Value
Available-for-sale Securities, Contractual Maturities, Five to Ten Years, Yield
Available-for-sale Securities, Contractual Maturities, Over Ten Years, Value	5,581	6,072
Available-for-sale Securities, Contractual Maturities, Over Ten Years, Yield	1.87%	1.89%
Investment securities available for sale, Value	5,581	6,072
Available-for-sale Securities, Contractual Securities, Yield Total	1.87%	1.89%
States and Political Subdivisions [Member]
Loan maturity distribution by type and related interest rate
Available-for-sale Securities, Contractual Maturities, Less than one year, Value	216	421
Available-for-sale Securities, Contractual Maturities, Less than one year, Yield	2.40%	1.43%
Available-for-sale Securities, Contractual Maturities, One to Five Years, Value	3,639	3,671
Available-for-sale Securities, Contractual Maturities, One to Five Years, Yield	0.60%	0.60%
Available-for-sale Securities, Contractual Maturities, Five to Ten Years, Value	4,803	5,031
Available-for-sale Securities, Contractual Maturities, Five to Ten Years, Yield	3.11%	3.11%
Available-for-sale Securities, Contractual Maturities, Over Ten Years, Value	15,140	16,126
Available-for-sale Securities, Contractual Maturities, Over Ten Years, Yield	2.97%	2.96%
Investment securities available for sale, Value	23,798	25,249
Available-for-sale Securities, Contractual Securities, Yield Total	2.63%	2.60%
Mortgage Backed Securities [Member]
Loan maturity distribution by type and related interest rate
Available-for-sale Securities, Contractual Maturities, Less than one year, Value
Available-for-sale Securities, Contractual Maturities, Less than one year, Yield
Available-for-sale Securities, Contractual Maturities, One to Five Years, Value
Available-for-sale Securities, Contractual Maturities, One to Five Years, Yield
Available-for-sale Securities, Contractual Maturities, Five to Ten Years, Value
Available-for-sale Securities, Contractual Maturities, Five to Ten Years, Yield
Available-for-sale Securities, Contractual Maturities, Over Ten Years, Value	32,790	39,116
Available-for-sale Securities, Contractual Maturities, Over Ten Years, Yield	2.04%	2.29%
Investment securities available for sale, Value	$ 32,790	$ 39,116
Available-for-sale Securities, Contractual Securities, Yield Total	2.04%	2.29%