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SHAREHOLDERS' EQUITY (Tables)
12 Months Ended
Dec. 31, 2019
Earnings Per Share [Abstract]  
Schedule of computation of basic and diluted earnings per share
Basic and diluted net income per share was determined based on the following share data (in thousands):
 
Year Ended December 31,
 
2019
 
2018
 
2017
Weighted average basic common shares
12,834

 
12,504

 
11,945

Effect of stock options
747

 
1,043

 
1,626

Effect of dilutive share awards
167

 
153

 
111

Effect of Convertible Senior Notes and warrants
871

 
397

 

Weighted average diluted common shares
14,619

 
14,097

 
13,682