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Restructuring
 12 Months Ended
Dec. 31, 2017
Restructuring and Related Activities [Abstract]  
Restructuring
Restructuring
During the fourth quarter of 2016, the Company undertook restructuring actions affecting approximately 7 employees to be terminated between October 2016 and November 2018, as part of an overall plan to reshape the Company for the future. In connection with this restructuring, the Company recorded restructuring charges of approximately $286,000 related to termination benefits for these personnel during the year ended December 31, 2016.
The following table sets forth a summary of restructuring activities related to the Company's 2016 restructuring program in 2017 (in thousands):
    
December 31, 2016
 
Costs Incurred
 
Cash Payments
 
December 31, 2017
Termination benefits
$
273

 
$
—

 
$
(88
)
 
$
185

The following table sets forth a summary of restructuring activities related to the Company's 2016 restructuring program in 2016 (in thousands):
    
December 31, 2015

Costs Incurred

Cash Payments

December 31, 2016
Termination benefits
$
—


$
286


$
(13
)

$
273


Accrued restructuring charges as of December 31, 2017 comprise the remaining liability balance from the 2016 restructuring and are reflected in accrued liabilities on the Company’s consolidated balance sheet as of December 31, 2017.