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Defined Contribution Plan	12 Months Ended
	Dec. 31, 2012
Defined Contribution Plan [Abstract]
Defined Contribution Plan	(16) Defined Contribution Plan The Company has a defined contribution plan that conforms with Section 401(k) of the Internal Revenue Code. Under this plan, employees may contribute a minimum of 1% of their compensation (no maximum) to the Plan. However, the Internal Revenue Code limited contributions to $16,500 or $22,000 if aged 50 years or older in 2011 and $17,000 or $22,500 if aged 50 years or older in 2012. There were no employer matching contributions in 2011 and 2012.

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The entire disclosure for pension and other postretirement benefits.

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