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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2019
Fair Value Disclosures [Abstract]  
Summary of Changes in Fair Value of Liabilities in Level 3 of Fair Value Hierarchy

Changes in the fair value of liabilities classified in Level 3 of the fair value hierarchy were as follows (in thousands):

 

 

 

Viscount

Earn-out

Consideration

 

Balance at December 31, 2018

 

$

 

Acquisition of Viscount

 

 

200

 

Remeasurement of obligation

 

 

 

Balance at March 31, 2019

 

$

200