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Accrued Expenses and Liabilities
3 Months Ended
Mar. 31, 2012
Accrued Expenses and Liabilities [Abstract]  
Accrued Expenses and Liabilities

10.           Accrued Expenses and Liabilities
 
Accrued expenses and liabilities consist of the following:

   
March 31,
  
December 31,
 
   
2012
  
2011
 
   
(unaudited)
  
 
 
        
Accrued expenses and liabilities
 $996,000  $613,000 
Accrued payroll
  45,000   249,000 
   $1,041,000  $862,000