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STOCKHOLDERS' EQUITY (Tables)
 3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of stock option activity under the 2011 Long-Term Incentive Plan

A summary of stock option activity under the 2011 Long-Term Incentive Plan as of March 31, 2021, and changes during the three months ended March 31, 2021, are presented below:

 

 

 

Stock Options

 

 

Weighted average exercise price

 

 

Weighted average remaining contractual term

 

 

Aggregate intrinsic value

Outstanding as of January 1, 2021

 

 

440,400

 

 

$  

6.58

 

 

 

5.80  

 

 

$  

155  

Granted

 

 

—

 

 

 

—

 

 

 

 

 

 

 

 

Exercised

 

 

—

 

 

 

—

 

 

 

 

 

 

 

 

Forfeited

 

 

(3,400

)

 

 

12.00

 

 

 

 

 

 

 

 

Outstanding as of March 31, 2021

 

 

437,000

 

 

$

6.54

 

 

 

5.60

 

 

$

236

Exercisable as of March 31, 2021

 

 

437,000

 

 

$

6.54

 

 

 

5.60

 

 

$

236