Employee 401(k) Plan (Narratives) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Employee 401(k) Plan [Abstract]      
Description of 401(k) Plan The Company adopted a 401(k) plan (the “401(k) Plan”) which originally became effective as of January 1, 1997. The Company’s employees are entitled to participate in the 401(k) Plan, which provides savings and investment opportunities. Employees can contribute up to the maximum annual amount allowable per Internal Revenue Service guidelines. Effective July 1, 2007, the 401(k) Plan provides for Company contributions equal to 25% of an employee’s contribution percentage up to a maximum employee contribution of 6%. The Company’s Board of Directors voted to authorize the doubling of the required match for the calendar year 2012.    
Company Contributions to Employee 401(k) Plan $ 0.4 $ 0.4 $ 0.2
Maximum Employee Contribution for Company Matching 25.00%    
Employer Contribution per Dollar of Employee Contribution 6.00%