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Restructuring Activities (Tables)
 12 Months Ended
Dec. 31, 2019
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Activities
Our restructuring activities for 2019 were as follows (in thousands):
 
 
December 31, 2018
 
2019
 
December 31, 2019
 
 
Balance
 
Charges
 
Cash Payments
 
Adoption of ASC 842 Adjustment
 
Change in Estimates
 
Balance
Severance and benefits
 
$
2,631

 
$
—

 
$
(2,631
)
 
$
—

 
$
—

 
$
—

Lease termination
 
861

 
—

 
(126
)
 
(735
)
 
—

 
—

Professional service fees
 
43

 
—

 
(43
)
 
—

 
—

 
—

Other
 
416

 
—

 
(416
)
 
—

 
—

 
—

Total charged to restructuring charges
 
3,951

 
—

 
(3,216
)
 
(735
)
 
—

 
—

Inventory reserve
 
50

 
—

 
—

 
—

 
(50
)
 
—

Total charged to cost of sales
 
50

 
—

 
—

 
—

 
(50
)
 
—

Ending balance
 
$
4,001

 
$
—

 
$
(3,216
)
 
$
(735
)
 
$
(50
)
 
$
—