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EARNINGS (LOSS) PER SHARE (Tables)
12 Months Ended
Dec. 31, 2019
Earnings Per Share [Abstract]  
Schedule of calculations of shares used to compute basic and diluted earnings (loss) per share
The calculations of shares used to compute basic and diluted loss per share are as follows (in thousands):
 
Year ended December 31,
 
2019
 
2018
 
2017
Weighted average shares outstanding—basic
109,734

 
103,916

 
58,822

Potential dilutive common shares

 

 

Weighted average shares outstanding—diluted
109,734

 
103,916

 
58,822