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Restructuring Activities
 9 Months Ended
Sep. 30, 2018
Restructuring and Related Activities [Abstract]  
Restructuring Activities
Restructuring Activities

The Company recorded no restructuring charge for the three and nine months ended September 30, 2018 and $0 and $119 for three and nine months ended September 30, 2017, respectively, in connection with a workforce reduction. The charge consisted primarily of one-time severance payments and benefit continuation costs. The following is a reconciliation of the accrual for the workforce reduction that is included within the "Accrued Liabilities - Employee Compensation" line of the consolidated balance sheets for the three and nine months ending September 30, 2018 and 2017:
 
Three Months Ended September 30,
Nine Months Ended September 30,
 
2018
2017
2018
2017
Restructuring liability at beginning of period
$
188

$
552

$
391

$
309

      Amounts expensed
—

—

—

119

      Amounts expensed - discontinued operations
—

—

—

396

      Amounts paid
(93
)
(309
)
(296
)
(581
)
Restructuring liability at end of period
$
95

$
243

$
95

$
243