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Restructuring Charges Restructuring (Tables)
 3 Months Ended
Mar. 31, 2019
Restructuring and Related Activities [Abstract]  
Restructuring and Related Costs [Table Text Block]
The following table summarizes the details of changes in our restructuring-related accrual for the period ended March 31, 2019 (in thousands):

 
Accrued Balance January 1, 2019
 
Charges
Incurred
 
Payments
 
Other Adjustments
 
Accrued Balance
March 31, 2019
Severance pay and benefits
$
677

 
$
756

 
$
(671
)
 
$
—

 
$
762

Employment agreement buyout
739

 
—

 
(96
)
 
—

 
643

 
$
1,416

 
$
756

 
$
(767
)
 
$
—

 
$
1,405