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NET INCOME PER SHARE (Tables)
12 Months Ended
Dec. 31, 2019
Earnings Per Share [Abstract]  
Schedule of Antidilutive Securities Excluded From Computation of Earnings Per Share
The potential common shares that were considered anti-dilutive securities were excluded from the diluted earnings per share calculations for the relevant periods either because the sum of the exercise price per share and the unrecognized compensation cost per share was greater than the average market price of our common stock for the relevant periods, or because they were considered contingently issuable. The contingently issuable potential common shares result from certain stock options and restricted stock units granted to our employees that vest based on performance conditions, market conditions, or a combination of performance and market conditions.

When there is a loss from continuing operations, potential common shares should not be included in the computation of Diluted EPS because the exercise or conversion of any potential shares increases the number of shares in the denominator and results in a lower loss per share. Therefore, all outstanding stock options and restricted stock units at December 31, 2018, and 2017 are anti-dilutive and not included in the EPS calculation. The following table sets forth (in thousands) common shares considered anti-
dilutive securities at December 31, 2019, and common shares considered anti-dilutive securities at December 31, 2018, and 2017.
 
December 31, 2019
 
December 31, 2018
 
December 31, 2017
Options
565

 
892

 
2,290

Non-vested restricted stock units
2,642

 
2,945

 
3,063

Anti-dilutive potential common shares
3,207

 
3,837

 
5,353