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Commitments and Contingencies (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
The estimated annual rental expense for lease commitment is as follows:

Year
 
Amount
 
2012 (October 1 to December 31)
 
$
156,000
 
2013
   
468,000
 
Total
 
$
624,000
 

The estimated annual rental expense for lease commitment is as follows:

Year
 
Amount
 
2012
  $ 322,000  
2013
    427,000  
Total
  $ 749,000