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Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Outstanding Restricted Stock Units
The following table presents RSUs activity during the six months ended June 30, 2018:
 
Shares
 
Weighted Average Remaining Contractual Term
(in years)
Non-vested RSUs at December 31, 2017
728,909

 
2.2

Granted
592,500

 
2.8

Vested
(284,200
)
 

Forfeited
(7,500
)
 

Non-vested RSUs at June 30, 2018
1,029,709

 
2.3

Schedule of Outstanding Stock Appreciation Rights
The following table presents SARs activity during the six months ended June 30, 2018:
 
Shares
 
Weighted Average Exercise Price Per Share
 
Weighted Average Remaining Contractual Term
(in years)
Outstanding at December 31, 2017
690,000

 
$
7.20

 
4.3

SARs vested and exercisable at December 31, 2017

 

 

Granted
335,000

 
4.46

 
4.8

Exercised

 

 

Expired/forfeited
(7,500
)
 

 

Outstanding at June 30, 2018
1,017,500

 
$
6.30

 
4.0

SARs vested and exercisable at June 30, 2018
280,000

 
$
7.20

 
3.6