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Leases
12 Months Ended
Dec. 31, 2011
Leases [Abstract]  
Leases

12. Leases

Rental expenses for principal leased facilities under non-cancelable operating leases were approximately $136,000, $ 177,400 and $1,349,000 for 2011, 2010 and 2009 respectively. Future minimum payments for operating leases as of December 31, 2011 are as follows (in thousands):

 

      Operating
Leases
 

2012

   $ 9   

2013

     —     

2014

     —     

2015

     —     
  

 

 

 

Total minimum lease payments

   $ 9