Quarterly report pursuant to Section 13 or 15(d)

Income (Loss) Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details)

v3.10.0.1
Income (Loss) Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Earnings Per Share [Abstract]        
Income (loss) from continuing operations, net of taxes $ 317 $ (1,977) $ 1,358 $ (3,878)
Net loss attributable to non-controlling interest (35) (78) (102) (374)
Income (loss) from continuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders 352 (1,899) 1,460 (3,504)
Loss from discontinuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders (131) (145) (495) (436)
Net income (loss) attributable to Perma-Fix Environmental Services, Inc. common stockholders $ 221 $ (2,044) $ 965 $ (3,940)
Basic income (loss) per share attributable to Perma-Fix Environmental Services, Inc. common stockholders $ 0.02 $ (0.17) $ 0.08 $ (0.34)
Diluted income (loss) per share attributable to Perma-Fix Environmental Services, Inc. common stockholders $ 0.02 $ (0.17) $ 0.08 $ (0.34)
Basic weighted average shares outstanding 11,922,000 11,714,000 11,828,000 11,698,000
Add: dilutive effect of stock options 105,000 81,000
Add: dilutive effect of warrants
Diluted weighted average shares outstanding 12,027,000 11,714,000 11,909,000 11,698,000
Potential shares excluded from above weighted average share calculations due to their anti-dilutive effect include: Stock options 83,000 185,000 83,000 497,000