Annual report pursuant to section 13 and 15(d)

RESTATEMENT OF CONSOLIDATED FINANCIAL STATEMENTS (Details)

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RESTATEMENT OF CONSOLIDATED FINANCIAL STATEMENTS (Details) (USD $)
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Error Corrections and Prior Period Adjustments Restatement [Line Items]                        
Deferred tax assets - current         $ 3,365,000 [1]         $ 3,365,000 [1]    
Total current assets 30,210,000       50,274,000       30,210,000 50,274,000    
Deferred tax asset, net of liabilities         0 [1]         0 [1]    
Total assets 139,691,000       163,654,000       139,691,000 163,654,000 125,737,000  
Accrued expenses 6,672,000       9,434,000 [1]       6,672,000 9,434,000 [1]    
Total current liabilities 27,558,000       42,740,000       27,558,000 42,740,000    
Total long-term liabilities 26,594,000       32,605,000       26,594,000 32,605,000    
Total liabilities 54,152,000       75,345,000       54,152,000 75,345,000    
Accumulated deficit (19,103,000)       (15,744,000) [1]       (19,103,000) (15,744,000) [1]    
Total Perma-Fix Environmental Services, Inc. stockholders' equity 83,682,000       86,632,000       83,682,000 86,632,000    
Total stockholders' equity 84,254,000       87,024,000       84,254,000 87,024,000 76,976,000 71,921,000
Total liabilities and stockholders' equity 139,691,000       163,654,000       139,691,000 163,654,000    
Income tax expense (benefit)                 (2,151,000) (4,078,000) 235,000  
(Loss) income from continuing operations                 (5,300,000) 10,477,000 [1] 5,117,000  
Income (loss) from discontinued operations, net of taxes                 (30,000) 182,000 (919,000)  
Net (loss) income (632,000) (533,000) (1,069,000) (945,000) (120,000) 6,011,000 2,520,000 (321,000) (3,179,000) 8,090,000 [1] 3,963,000  
Net (loss) income attributable to Perma-Fix Environmental Services, Inc., common stockholders (633,000) (554,000) (1,171,000) (1,001,000) (142,000) 6,011,000 2,520,000 (321,000) (3,359,000) 8,068,000 [1] 3,963,000  
Net (loss) income attributable to Perma-Fix Environmental Services, Inc. common stockholders - basic:                        
Continuing operations (in dollars per share) $ (0.08) $ (0.04) $ (0.10) $ (0.08) $ 0 $ 0.40 $ 0.23 $ (0.05) $ (0.3) $ 0.58 $ 0.44  
Discontinued operations (in dollars per share) $ 0.02 $ (0.01) $ 0 $ (0.01) $ 0.01 $ (0.02) $ 0 $ 0.02 $ 0 $ 0.01 $ (0.08)  
Net (loss) income per common share (in dollars per share) $ (0.06) $ (0.05) $ (0.10) $ (0.09) $ (0.01) $ 0.54 $ 0.23 $ (0.03) $ (0.3) $ 0.73 [1] $ 0.36  
Net (loss) income attributable to Perma-Fix Environmental Services, Inc. common stockholders - diluted:                        
Continuing operations (in dollars per share) $ (0.08) $ (0.04) $ (0.10) $ (0.08) $ 0 $ 0.40 $ 0.23 $ (0.05) $ (0.30) $ 0.58 $ 0.44  
Discontinued operations (in dollars per share) $ 0.02 $ (0.01) $ 0 $ (0.01) $ 0.01 $ (0.02) $ 0 $ 0.02 $ 0.00 $ 0.01 $ (0.08)  
Net (loss) income per common share (in dollars per share) $ (0.06) $ (0.05) $ (0.10) $ (0.09) $ (0.01) $ 0.54 $ 0.23 $ (0.03) $ (0.30) $ 0.73 [1] $ 0.36  
Net (loss) income (632,000) (533,000) (1,069,000) (945,000) (120,000) 6,011,000 2,520,000 (321,000) (3,179,000) 8,090,000 [1] 3,963,000  
Comprehensive (loss) income                 (3,178,000) 8,087,000 3,963,000  
Comprehensive (loss income attributable to Perma-Fix Environmental Services, Inc. common stockholders                 (3,358,000) 8,065,000 3,963,000  
Net income (loss) (632,000) (533,000) (1,069,000) (945,000) (120,000) 6,011,000 2,520,000 (321,000) (3,179,000) 8,090,000 [1] 3,963,000  
Less: income (loss) on discontinued operations (229,000) 61,000 60,000 138,000 (189,000) 187,000 32,000 (212,000) 30,000 (1,691,000) 919,000  
(Loss) income from continuing operations (861,000) (472,000) (1,009,000) (807,000) (41,000) 4,421,000 2,552,000 (533,000) (3,149,000) 6,399,000 [1] 4,882,000  
Adjustments to reconcile net income from continuing operations to cash provided by operations:                        
Deferred tax (benefit) expense                 (234,000) 1,943,000 [1] 208,000  
Prepaid expenses, inventories and other assets                 (2,845,000) (1,494,000) (1,789,000)  
Accounts payable, accrued expenses and unearned revenue                 11,631,000 (4,000) 7,289,000  
As Reported [Member]
                        
Error Corrections and Prior Period Adjustments Restatement [Line Items]                        
Deferred tax assets - current 1,553,000       3,853,000       1,553,000 3,853,000    
Total current assets 30,447,000       50,762,000       30,447,000 50,762,000    
Deferred tax asset, net of liabilities 1,103,000       1,435,000       1,103,000 1,435,000    
Total assets 141,031,000       165,577,000       141,031,000 165,577,000    
Accrued expenses 6,254,000       9,434,000       6,254,000 9,434,000    
Total current liabilities 27,140,000       42,740,000       27,140,000 42,740,000    
Deferred tax liabilities 0       0       0 0    
Total long-term liabilities 25,254,000       28,517,000       25,254,000 28,517,000    
Total liabilities 52,394,000       71,257,000       52,394,000 71,257,000    
Accumulated deficit (16,005,000)       (9,733,000)       (16,005,000) (9,733,000)    
Total Perma-Fix Environmental Services, Inc. stockholders' equity 86,780,000       92,643,000       86,780,000 92,643,000    
Total stockholders' equity 87,352,000       93,035,000       87,352,000 93,035,000    
Total liabilities and stockholders' equity 141,031,000       165,577,000       141,031,000 165,577,000    
Income tax expense (benefit)                 1,250,000 (1,095,000) 1,846,000  
(Loss) income from continuing operations                 (6,550,000) 11,572,000 3,271,000  
Income (loss) from discontinued operations, net of taxes                 458,000 777,000 (663,000)  
Net (loss) income (3,545,000)       5,648,000       (6,092,000) 13,858,000 2,608,000  
Net (loss) income attributable to Perma-Fix Environmental Services, Inc., common stockholders (3,546,000)       5,626,000       (6,272,000) 13,836,000 2,608,000  
Net (loss) income attributable to Perma-Fix Environmental Services, Inc. common stockholders - basic:                        
Continuing operations (in dollars per share) $ (0.38)       $ 0.46       $ (0.60) $ 1.04 $ 0.30  
Discontinued operations (in dollars per share) $ 0.06       $ 0.07       $ 0.04 $ 0.07 $ (0.06)  
Net (loss) income per common share (in dollars per share) $ (0.32)       $ 0.51       $ (0.56) $ 1.25 $ 0.24  
Net (loss) income attributable to Perma-Fix Environmental Services, Inc. common stockholders - diluted:                        
Continuing operations (in dollars per share) $ (0.38)       $ 0.46       $ (0.60) $ 1.04 $ 0.30  
Discontinued operations (in dollars per share) $ 0.06       $ 0.07       $ 0.04 $ 0.07 $ (0.06)  
Net (loss) income per common share (in dollars per share) $ (0.32)       $ 0.51       $ (0.56) $ 1.25 $ 0.24  
Net (loss) income (3,545,000)       5,648,000       (6,092,000) 13,858,000 2,608,000  
Comprehensive (loss) income                 (6,091,000) 13,855,000 2,608,000  
Comprehensive (loss income attributable to Perma-Fix Environmental Services, Inc. common stockholders                 (6,271,000) 13,833,000 2,608,000  
Net income (loss) (3,545,000)       5,648,000       (6,092,000) 13,858,000 2,608,000  
Less: income (loss) on discontinued operations                 458,000 2,286,000 (663,000)  
(Loss) income from continuing operations (4,262,000)       5,132,000       (6,550,000) 11,572,000 3,271,000  
Adjustments to reconcile net income from continuing operations to cash provided by operations:                        
Deferred tax (benefit) expense                 1,630,000 (3,230,000) 1,819,000  
Prepaid expenses, inventories and other assets                 4,800,000 1,494,000 1,789,000  
Accounts payable, accrued expenses and unearned revenue                 (12,049,000) 4,000 (7,289,000)  
Restatement Adjustment [Member]
                        
Error Corrections and Prior Period Adjustments Restatement [Line Items]                        
Deferred tax assets - current (237,000)       (488,000)       (237,000) (488,000)    
Total current assets (237,000)       (488,000)       (237,000) (488,000)    
Deferred tax asset, net of liabilities (1,103,000)       (1,435,000)       (1,103,000) (1,435,000)    
Total assets (1,340,000)       (1,923,000)       (1,340,000) (1,923,000)    
Accrued expenses 418,000       0       418,000 0    
Total current liabilities 418,000       0       418,000 0    
Deferred tax liabilities 1,340,000       4,088,000       1,340,000 4,088,000    
Total long-term liabilities 1,340,000       4,088,000       1,340,000 4,088,000    
Total liabilities 1,758,000       4,088,000       1,758,000 4,088,000    
Accumulated deficit (3,098,000)       (6,011,000)       (3,098,000) (6,011,000)    
Total Perma-Fix Environmental Services, Inc. stockholders' equity (3,098,000)       (6,011,000)       (3,098,000) (6,011,000)    
Total stockholders' equity (3,098,000)       (6,011,000)       (3,098,000) (6,011,000)    
Total liabilities and stockholders' equity (1,340,000)       (1,923,000)       (1,340,000) (1,923,000)    
Income tax expense (benefit)                 (3,401,000) 5,173,000 (1,611,000)  
(Loss) income from continuing operations                 3,401,000 (5,173,000) 1,611,000  
Income (loss) from discontinued operations, net of taxes                 (488,000) (595,000) (256,000)  
Net (loss) income 2,913,000       (5,768,000)       2,913,000 (5,768,000) 1,355,000  
Net (loss) income attributable to Perma-Fix Environmental Services, Inc., common stockholders 2,913,000       (5,768,000)       2,913,000 (5,768,000) 1,355,000  
Net (loss) income attributable to Perma-Fix Environmental Services, Inc. common stockholders - basic:                        
Continuing operations (in dollars per share) $ 0.30       $ (0.46)       $ 0.30 $ (0.46) $ 0.14  
Discontinued operations (in dollars per share) $ (0.04)       $ (0.06)       $ (0.04) $ (0.06) $ (0.02)  
Net (loss) income per common share (in dollars per share) $ 0.26       $ (0.52)       $ 0.26 $ (0.52) $ 0.12  
Net (loss) income attributable to Perma-Fix Environmental Services, Inc. common stockholders - diluted:                        
Continuing operations (in dollars per share) $ 0.30       $ (0.46)       $ 0.30 $ (0.46) $ 0.14  
Discontinued operations (in dollars per share) $ (0.04)       $ (0.06)       $ (0.04) $ (0.06) $ (0.02)  
Net (loss) income per common share (in dollars per share) $ 0.26       $ (0.52)       $ 0.26 $ (0.52) $ 0.12  
Net (loss) income 2,913,000       (5,768,000)       2,913,000 (5,768,000) 1,355,000  
Comprehensive (loss) income                 2,913,000 (5,768,000) 1,355,000  
Comprehensive (loss income attributable to Perma-Fix Environmental Services, Inc. common stockholders                 2,913,000 (5,768,000) 1,355,000  
Net income (loss) 2,913,000       (5,768,000)       2,913,000 (5,768,000) 1,355,000  
Less: income (loss) on discontinued operations                 (488,000) (595,000) (256,000)  
(Loss) income from continuing operations 3,401,000       (5,173,000)       3,401,000 (5,173,000) 1,611,000  
Adjustments to reconcile net income from continuing operations to cash provided by operations:                        
Deferred tax (benefit) expense                 (1,864,000) 5,173,000 (1,611,000)  
Prepaid expenses, inventories and other assets                 (1,955,000) 0 0  
Accounts payable, accrued expenses and unearned revenue                 418,000 0 0  
As Restated [Member]
                        
Error Corrections and Prior Period Adjustments Restatement [Line Items]                        
Deferred tax assets - current 1,316,000       3,365,000       1,316,000 3,365,000    
Total current assets 30,210,000       50,274,000       30,210,000 50,274,000    
Deferred tax asset, net of liabilities 0       0       0 0    
Total assets 139,691,000       163,654,000       139,691,000 163,654,000    
Accrued expenses 6,672,000       9,434,000       6,672,000 9,434,000    
Total current liabilities 27,558,000       42,740,000       27,558,000 42,740,000    
Deferred tax liabilities 1,340,000       4,088,000       1,340,000 4,088,000    
Total long-term liabilities 26,594,000       32,605,000       26,594,000 32,605,000    
Total liabilities 54,152,000       75,345,000       54,152,000 75,345,000    
Accumulated deficit (19,103,000)       (15,744,000)       (19,103,000) (15,744,000)    
Total Perma-Fix Environmental Services, Inc. stockholders' equity 83,682,000       86,632,000       83,682,000 86,632,000    
Total stockholders' equity 84,254,000       87,024,000       84,254,000 87,024,000    
Total liabilities and stockholders' equity 139,691,000       163,654,000       139,691,000 163,654,000    
Income tax expense (benefit)                 (2,151,000) 4,078,000 235,000  
(Loss) income from continuing operations                 (3,149,000) 6,399,000 4,882,000  
Income (loss) from discontinued operations, net of taxes                 (30,000) 182,000 (919,000)  
Net (loss) income                 (3,179,000) 8,090,000 3,963,000  
Net (loss) income attributable to Perma-Fix Environmental Services, Inc., common stockholders                 (3,359,000) 8,068,000 3,963,000  
Net (loss) income attributable to Perma-Fix Environmental Services, Inc. common stockholders - basic:                        
Continuing operations (in dollars per share)                 $ (0.30) $ 0.58 $ 0.44  
Discontinued operations (in dollars per share)                 $ 0 $ 0.01 $ (0.08)  
Net (loss) income per common share (in dollars per share)                 $ (0.30) $ 0.73 $ 0.36  
Net (loss) income attributable to Perma-Fix Environmental Services, Inc. common stockholders - diluted:                        
Continuing operations (in dollars per share)                 $ (0.30) $ 0.58 $ 0.44  
Discontinued operations (in dollars per share)                 $ 0 $ 0.01 $ (0.08)  
Net (loss) income per common share (in dollars per share)                 $ (0.30) $ 0.73 $ 0.36  
Net (loss) income                 (3,179,000) 8,090,000 3,963,000  
Comprehensive (loss) income                 (3,178,000) 8,087,000 3,963,000  
Comprehensive (loss income attributable to Perma-Fix Environmental Services, Inc. common stockholders                 (3,358,000) 8,065,000 3,963,000  
Net income (loss)                 (3,179,000) 8,090,000 3,963,000  
Less: income (loss) on discontinued operations                 (30,000) 1,691,000 (919,000)  
(Loss) income from continuing operations                 (3,149,000) 6,399,000 4,882,000  
Adjustments to reconcile net income from continuing operations to cash provided by operations:                        
Deferred tax (benefit) expense                 (234,000) 1,943,000 208,000  
Prepaid expenses, inventories and other assets                 2,845,000 1,494,000 1,789,000  
Accounts payable, accrued expenses and unearned revenue                 $ (11,631,000) $ 4,000 $ (7,289,000)  
[1] As presented in the accompanying consolidated financial statements contained herein within this Form 10-K/A – Amendment No. 1.