Quarterly report pursuant to sections 13 or 15(d)

(Loss) Income Per Share (Details)

v2.4.0.8
(Loss) Income Per Share (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Loss per share from continuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders        
Loss from continuing operations $ (980) $ (1,009) $ (3,868) $ (1,816)
Basic loss per share (in dollars per share) $ (0.02) $ (0.02) $ (0.07) $ (0.04)
Diluted loss per share (in dollars per share) $ (0.02) $ (0.02) $ (0.07) $ (0.04)
Income (loss) per share from discontinued operations attributable to Perma-Fix Environmental Services, Inc. common stockholders        
Income (loss) from discontinued operations $ 43 $ (60) $ 15 $ (198)
Basic income (loss) per share (in dollars per share) $ 0 $ 0 $ 0 $ 0
Diluted income (loss) per share (in dollars per share) $ 0 $ 0 $ 0 $ 0
Weighted average common shares outstanding - basic (in shares) 56,334 56,094 56,303 56,078
Potential shares exercisable under stock option plans (in shares) 0 0 0 0
Weighted average common shares outstanding - diluted (in shares) 56,334 56,094 56,303 56,078
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) 1,954 2,614 1,954 2,124