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RESTRUCTURING
 12 Months Ended
Dec. 31, 2018
Restructuring and Related Activities [Abstract]  
Restructuring
RESTRUCTURING
On March 7, 2017, the Company initiated a plan to consolidate its operations to its corporate headquarters in San Diego, California. The Company adjusted employee related separation charges by $0.2 million in the current year as a result of this consolidation.
The following table presents a reconciliation of the restructuring liability recorded within accrued expenses on the Company's Condensed Consolidated Balance Sheets (in thousands):
 
Twelve Months Ended December 31,
 
2018
 
2017
Liability, beginning of period
$
3,549

 
$
893

Restructuring expenses
—

 
3,608

Cash settlements
(3,307
)
 
(897
)
Adjustments to previous estimates
(242
)
 
(55
)
Liability, end of period
$
—

 
$
3,549