Annual report pursuant to section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Dec. 31, 2012
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]  
Customers accounting for 10% or more of total revenues generated from continuing operations
The following customers accounted for 10% or more of the total revenues generated from continuing operations for twelve months ended December 31, 2012, 2011, and 2010:

       
Total
    
% of Total
  
Customer
  
Year
  
Revenue
    
Revenue
  
CH Plateau Remediation Company ("CHPRC")
  
2012
   $ 24,652,000       19.3 %
   
2011
   $ 59,136,000       50.1 %
   
2010
   $ 51,929,000       53.1 %
                     
Department of Energy ("DOE"):
  
2012
   $ 26,265,000       20.6 %
   
2011
   $ 4,136,000       3.5 %
   
2010
   $ 0       0.0 %
Receivable balance for each customer representing more than 10% of consolidated receivable
The outstanding receivable balance for each customer representing more than 10% of consolidated accounts receivable is ("AR") as follows:

       
Total
    
% of Total
  
Customer
  
Year
  
AR
    
AR
  
DOE
  
2012
   $ 1,753,000       15.4 %
   
2011
   $ 2,656,000       15.8 %
                     
Clauss Construction
  
2012
   $ 3,343,000       29.3 %
   
2011
   $ 3,114,000       18.5 %
Reconciliation of basic net income (loss) per share to diluted net (loss) income per share
The following is a reconciliation of basic net (loss) income per share to diluted net (loss) income per share for the years ended December 31, 2012, 2011, and 2010:

(Amounts in Thousands, Except for Per Share Amounts)
  
2012
    
2011
    
2010
  
(Loss) income per share from continuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders
                  
(Loss) income from continuing operations
   $ (6,550 )   $ 11,572     $ 3,271  
Basic (loss) income per share
   $ (.12 )   $ .21     $ .06  
Diluted (loss) income per share
   $ (.12 )   $ .21     $ .06  
                         
Income (loss) per share from discontinued operations attributable to Perma-Fix Environmental Services, Inc. common stockholders
                        
Income (loss) from discontinued operations
   $ 458     $ 777     $ (663 )
Basic income (loss) per share
   $ .01     $ .01     $ (.01 )
Diluted income (loss) per share
   $ .01     $ .01     $ (.01 )
                         
Income per share from disposal of discontinued operations attributable to Perma-Fix Environmental Services, Inc. common stockholders
                        
Gain on disposal of discontinued operations
   $ ¾     $ 1,509     $ ¾  
Basic income per share
   $ ¾     $ .03     $ ¾  
Diluted income per share
   $ ¾     $ .03     $ ¾  
                         
Weighted average common shares outstanding – basic
     56,125       55,295       54,947  
Potential shares exercisable under stock option plans
     ¾       22       56  
Potential shares upon exercise of warrants
     ¾       ¾       27  
Weighted average common shares outstanding – diluted
     56,125       55,317       55,030  
                         
Potential shares excluded from above weighted average share calculations due to their anti-dilutive effect
                         
Potential shares excluded from above weighted average share calculations due to their anti-dilutive effect include:
                        
Upon exercise of options
     2,584       2,549       2,195  
Upon exercise of Warrants
     ¾       150       ¾