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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2019
Share-based Payment Arrangement [Abstract]  
Unrecognized compensation expense is expected to be recognized
At September 30, 2019, the Company had unrecognized compensation expense of $4,332 related to granted but unvested stock awards, which is to be recognized as follows:
Remainder of 2019
 
$
652

2020
 
2,076

2021
 
1,041

2022
 
461

2023
 
102

 Total
 
$
4,332

Summary of restricted stock activity
The following table summarizes restricted stock activity under the Plans from December 31, 2018 through September 30, 2019:
 
Number of
Shares
 
Weighted
Average
Unvested, December 31, 2018
1,027

 
$
9.83

Granted
337

 
$
2.54

Vested
(261
)
 
$
8.77

Forfeited
(18
)
 
$
6.38

Unvested, September 30, 2019
1,085

 
$
9.32