Quarterly report pursuant to sections 13 or 15(d)

Loss Per Share (Details)

v2.4.0.8
Loss Per Share (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Loss per share from continuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders        
Loss from continuing operations $ (568) $ (493) $ (4,372) $ (2,467)
Basic loss per share (in dollars per share) $ (0.05) $ (0.04) $ (0.39) $ (0.22)
Diluted loss per share (in dollars per share) $ (0.05) $ (0.04) $ (0.39) $ (0.22)
Income (loss) per share from discontinued operations attributable to Perma-Fix Environmental Services, Inc. common stockholders        
Loss from discontinued operations $ (240) $ (61) $ (224) $ (259)
Basic income (loss) per share (in dollars per share) $ (0.02) $ (0.01) $ (0.02) $ (0.02)
Diluted income (loss) per share (in dollars per share) $ (0.02) $ (0.01) $ (0.02) $ (0.02)
Weighted average common shares outstanding - basic (in shares) 11,353 11,228 11,292 11,220
Potential shares exercisable under stock option plans (in shares) 0 0 0 0
Potential shares upon exercise of warrants (in shares) 0 0 0 0
Weighted average common shares outstanding - diluted (in shares) 11,353 11,228 11,292 11,220
Stock Options [Member]
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Potential shares excluded from above weighted average share calculations due to their anti-dilutive effect included (in shares) 391 535 373 523
Warrant [Member]
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Potential shares excluded from above weighted average share calculations due to their anti-dilutive effect included (in shares) 0 0 0 0