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Employee Pension Plan (Tables)
6 Months Ended
Jun. 30, 2012
Compensation and Retirement Disclosure [Abstract]  
Schedule of Net Periodic Benefit Cost Not yet Recognized [Table Text Block]

Net periodic pension cost recorded in the accompanying statements of operations includes the following components of expense (benefit) for the periods presented.

 

    Three
Months
    Six
Months
 
    Ended June 30, 2011  
Interest cost   $ 67,878     $ 138,756  
Expected return on plan assets     (30,193 )     (60,386 )
Service cost     10,500       21,000  
Actuarial loss     33,960       67,921  
Net periodic pension cost   $ 82,145     $ 164,291