Defined Contribution Plan	12 Months Ended
Dec. 31, 2012
Defined Contribution Plan
Defined Contribution Plan	8. Defined Contribution Plan The Company maintains a defined contribution plan covering substantially all domestic employees. Participating employees may make contributions to the plan, through payroll deductions. Matching contributions are made by the Company equal to 50% of the employee’s contribution to the extent such employee contribution did not exceed 6% of their compensation. During the years ended December 31, 2012, 2011 and 2010, the Company expensed approximately $166 thousand, $147 thousand and $131 thousand, respectively, related to this plan.

The entire disclosure for pension and other postretirement benefits.

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