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Commitments and Contingencies (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Leases |  |
Rent expense | $ 339,000 | $ 341,000
Operating Leases |  |
2013 | 403,000 |
2014 | 398,000 |
2015 | 389,000 |
2016 | 389,000 |
2017 and thereafter | 130,000 |
Future minimum lease obligations | 1,709,000 |
Capital Lease Obligations |  |
2013 | 112,000 |
2014 | 89,000 |
2015 | 28,000 |
Future minimum lease obligations | 229,000 |
Total |  |
2013 | 515,000 |
2014 | 487,000 |
2015 | 417,000 |
2016 | 389,000 |
2017 and thereafter | 130,000 |
Future minimum lease obligations | $ 1,938,000 |

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