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Stock-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Unrecognized compensation expense is expected to be recognized
At June 30, 2018, the Company had unrecognized compensation expense of $7,726 related to granted but unvested stock awards, which is to be recognized as follows:  
 
2019
$
3,349

2020
2,301

2021
1,481

2022
595

 
$
7,726
Summary of restricted stock activity
The following table summarizes restricted stock activity under the Plans from December 31, 2017 through June 30, 2018:
 
 
Number of
Shares
 
Weighted
Average
Unvested, December 31, 2017
534

 
$
11.27

Granted
723

 
$
10.78

Vested
(156
)
 
$
(12.60
)
Forfeiture
(30
)
 
$
(13.57
)
Unvested, June 30, 2018
1,071

 
$
9.92