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Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2019
Share-based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
The following table summarizes the stock option activity during the nine months ended September 30, 2019:
 
 
 
 
 
 
 
 
 
 
Number of Options Outstanding
 
Weighted-Average Exercise Price
 
Weighted-Average Remaining Contractual Term (in Years)
 
Aggregate Intrinsic Value (in Thousands)
Outstanding at December 31, 2018
 
40,000

 
$
4.67

 
1.3
 
$
—

Granted
 
—

 
—

 
 
 
 
Expired
 
—

 
—

 
 
 
 
Outstanding at September 30, 2019
 
40,000

 
$
4.67

 
0.6
 
$
—

Exercisable at September 30, 2019
 
40,000

 
$
4.67

 
0.6
 
$
—
Schedule of Unvested Restricted Stock Award Activity
The following table summarizes the activity related to unvested 2014 Restricted Stock Awards, 2018 Modified Restricted Stock Award, Modified Restricted Stock Award and 2018 Restricted Stock Award (collectively "Restricted Stock Awards") for the nine months ended September 30, 2019:
 
 
 
 
 
 
 
Number of Restricted Stock Awards
 
Weighted-Average Grant Date Fair Value (per Share)
Unvested at December 31, 2018
 
1,092,450

 
$
4.51

Vested
 
(79,231
)
 
4.14

Cancelled for Tax Withholding
 
(36,269
)
 
4.14

Unvested at September 30, 2019
 
976,950

 
$
4.55