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Restructuring Charges (Notes)
 3 Months Ended
Mar. 31, 2019
Restructuring Charges [Abstract]  
Restructuring and Related Activities Disclosure [Text Block]
Restructuring Charges

During the three months ended March 31, 2019, restructuring charges included severance costs related to involuntary employee terminations. The charges are primarily related to our continued integration of our HIS business acquired in 2017. The cumulative amount incurred to date in connection with the HIS acquisition is $23.9 million. Restructuring charges are included in the restructuring, strategic transaction and integration line item in our condensed consolidated statement of operations.

During the year ended December 31, 2015, we incurred restructuring charges related to an agreement with Dr. Lopez, a member of our Board of Directors and a former employee in our research and development department, pursuant to which we bought out Dr. Lopez's right to employment under his then-existing employment agreement. The buy-out, including payroll taxes, is paid in equal monthly installments until December 2020.
    
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