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Restructuring
 12 Months Ended
Dec. 31, 2019
Restructuring And Related Activities [Abstract]  
Restructuring

15. Restructuring

Restructuring charges in 2019 and 2018 related to one-time employee termination costs.

The activity in our restructuring liability for the year ended December 31, 2019 (in thousands) follows:

 

 

 

Balance at December 31, 2018

 

 

Provision, net

 

 

Usage

 

 

Transfer

 

 

Balance at December 31, 2019

 

Lease/rental terminations

 

$

495

 

 

 

(11

)

 

 

—

 

 

 

(484

)

 

$

—

 

One-time employee termination

   benefits

 

 

114

 

 

 

194

 

 

 

(308

)

 

 

—

 

 

 

—

 

Total

 

$

609

 

 

$

183

 

 

$

(308

)

 

$

(484

)

 

$

—

 

 

On January 1, 2019, $0.5 million of reserves associated with lease terminations was offset with the right-of-use assets upon the adoption of ASC 842.