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EARNINGS PER SHARE (Tables)
3 Months Ended
Mar. 31, 2020
Earnings Per Share [Abstract]  
Basic and Diluted Earnings Per Share
 Three Months Ended March 31,
 20202019
Basic:  
Net income$654  $2,960  
Less: allocation to participating securities(20) (56) 
Net income attributable to common stockholders$634  $2,904  
Weighted average common stock outstanding44,404  43,949  
Net income per share attributable to common stockholders$0.01  $0.07  
Diluted:  
Net income$654  $2,960  
Less: allocation to participating securities(21) (56) 
Net income attributable to common stockholders$633  $2,904  
Weighted average common stock outstanding44,404  43,949  
Effect of dilutive securities: stock options and awards634  597  
Weighted-average shares used in computing net income per share45,038  44,546  
Net income per share attributable to common stockholders$0.01  $0.07