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Retirement Plan	3 Months Ended
Retirement Plan	Mar. 31, 2015
Compensation and Retirement Disclosure [Abstract]
Retirement Plan	9. Retirement Plan We maintain a 401(k) plan for qualified employees which is subject to “safe harbor” provisions and which requires that we match 100.0% of the first 3.0% of employee contributions and 50.0% of the next 2.0% of employee contributions. All employer matching funds vest immediately in accordance with the “safe harbor” provision. Contributions to the plan totaled $12,787 and $10,087 for the three months ended March 31, 2015 and 2014, respectively.

The entire disclosure for pension and other postretirement benefits.