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Income (Loss) Per Share (Tables)
9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
Schedule of Earning Per Share

Basic income (loss) per share is calculated based on the weighted-average number of outstanding common shares during the applicable period. Diluted income (loss) per share is based on the weighted-average number of outstanding common shares plus the weighted-average number of potential outstanding common shares. In periods where they are anti-dilutive, such amounts are excluded from the calculations of dilutive earnings per share. The following table reconciles the income (loss) and average share amounts used to compute both basic and diluted income (loss) per share:

 

(Amounts in Thousands, Except for Per Share Amounts)  2022   2021   2022   2021 
   Three Months Ended   Nine Months Ended 
   September 30,   September 30, 
   (Unaudited)   (Unaudited) 
(Amounts in Thousands, Except for Per Share Amounts)  2022   2021   2022   2021 
Net income (loss) attributable to Perma-Fix Environmental Services, Inc., common stockholders:                    
Income (loss) from continuing operations, net of taxes  $824    1,381    (1,682)   3,464 
Net loss attributable to non-controlling interest       (64)       (123)
Income (loss) from continuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders  $824   $1,445   $(1,682)  $3,587 
Loss from discontinuing operations attributable to Perma-Fix Environmental Services, Inc. common stockholders   (160)   (43)   (442)   (285)
Net income (loss) attributable to Perma-Fix Environmental Services, Inc. common stockholders  $664   $1,402   $(2,124)  $3,302 
                     
Basic income (loss) per share attributable to Perma-Fix Environmental Services, Inc. common stockholders  $.05   $.11   $(.16)  $.27 
                     
Diluted income (loss) per share attributable to Perma-Fix Environmental Services, Inc. common stockholders  $.05   $.11   $(.16)  $.27 
                     
Weighted average shares outstanding:                    
Basic weighted average shares outstanding   13,297    12,198    13,265    12,181 
Add: dilutive effect of stock options   131    183        206 
Add: dilutive effect of warrant   19    25        29 
Diluted weighted average shares outstanding   13,447    12,406    13,265    12,416 
                     
Potential shares excluded from above weighted average share calculations due to their anti-dilutive effect include:                    
Stock options   499    30    405    30 
Warrant