Loans (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Analysis of the credit risk profile of each loan class
Total loans	$ 384,135	$ 392,440
Pass [Member]
Analysis of the credit risk profile of each loan class
Total loans	303,702	304,176
Special Mention [Member]
Analysis of the credit risk profile of each loan class
Total loans	16,438	31,300
Substandard [Member]
Analysis of the credit risk profile of each loan class
Total loans	63,951	53,042
Doubtful [Member]
Analysis of the credit risk profile of each loan class
Total loans	44	3,922
Real estate loans [Member] \| Other real estate loans [Member]
Analysis of the credit risk profile of each loan class
Total loans	174,212	181,141
Real estate loans [Member] \| Construction and Land Development [Member]
Analysis of the credit risk profile of each loan class
Total loans	47,843	48,363
Real estate loans [Member] \| Secured by 1-4 Family Residential [Member]
Analysis of the credit risk profile of each loan class
Total loans	128,229	122,339
Real estate loans [Member] \| Pass [Member] \| Other real estate loans [Member]
Analysis of the credit risk profile of each loan class
Total loans	134,795	138,255
Real estate loans [Member] \| Pass [Member] \| Construction and Land Development [Member]
Analysis of the credit risk profile of each loan class
Total loans	25,618	23,172
Real estate loans [Member] \| Pass [Member] \| Secured by 1-4 Family Residential [Member]
Analysis of the credit risk profile of each loan class
Total loans	114,040	108,240
Real estate loans [Member] \| Special Mention [Member] \| Other real estate loans [Member]
Analysis of the credit risk profile of each loan class
Total loans	8,016	17,123
Real estate loans [Member] \| Special Mention [Member] \| Construction and Land Development [Member]
Analysis of the credit risk profile of each loan class
Total loans	3,775	7,504
Real estate loans [Member] \| Special Mention [Member] \| Secured by 1-4 Family Residential [Member]
Analysis of the credit risk profile of each loan class
Total loans	3,997	5,645
Real estate loans [Member] \| Substandard [Member] \| Other real estate loans [Member]
Analysis of the credit risk profile of each loan class
Total loans	31,401	22,348
Real estate loans [Member] \| Substandard [Member] \| Construction and Land Development [Member]
Analysis of the credit risk profile of each loan class
Total loans	18,450	17,452
Real estate loans [Member] \| Substandard [Member] \| Secured by 1-4 Family Residential [Member]
Analysis of the credit risk profile of each loan class
Total loans	10,192	8,266
Real estate loans [Member] \| Doubtful [Member] \| Other real estate loans [Member]
Analysis of the credit risk profile of each loan class
Total loans		3,415
Real estate loans [Member] \| Doubtful [Member] \| Construction and Land Development [Member]
Analysis of the credit risk profile of each loan class
Total loans		235
Real estate loans [Member] \| Doubtful [Member] \| Secured by 1-4 Family Residential [Member]
Analysis of the credit risk profile of each loan class
Total loans		188
Commercial and industrial [Member]
Analysis of the credit risk profile of each loan class
Total loans	24,937	29,446
Commercial and industrial [Member] \| Pass [Member]
Analysis of the credit risk profile of each loan class
Total loans	20,413	23,451
Commercial and industrial [Member] \| Special Mention [Member]
Analysis of the credit risk profile of each loan class
Total loans	572	949
Commercial and industrial [Member] \| Substandard [Member]
Analysis of the credit risk profile of each loan class
Total loans	3,908	4,976
Commercial and industrial [Member] \| Doubtful [Member]
Analysis of the credit risk profile of each loan class
Total loans	44	70
Consumer and other loans [Member]
Analysis of the credit risk profile of each loan class
Total loans	8,914	11,151
Consumer and other loans [Member] \| Pass [Member]
Analysis of the credit risk profile of each loan class
Total loans	8,836	11,058
Consumer and other loans [Member] \| Special Mention [Member]
Analysis of the credit risk profile of each loan class
Total loans	78	79
Consumer and other loans [Member] \| Doubtful [Member]
Analysis of the credit risk profile of each loan class
Total loans		$ 14