Restructuring (Tables)

9 Months Ended

Sep. 30, 2018

Restructuring [Abstract]

Schedule of changes in the restructuring liability

Restructuring expenses incurred during the nine months ended September 30, 2018 are as follows (unaudited and in thousands):

				Equity-Based
				Compensation and			Product-Related
	Severance			Professional Fees			and Other			Total
Restructuring expense	$	6,765	(1)	$	7,773	(2)	$	19,159	(3)	$	33,697

(1)For the three months ended September 30, 2018, we incurred severance related expenses of $1.5 million. As of September 30, 2018, the outstanding liability for accrued but unpaid severance expense was $100 thousand, which is included in the “Accounts payable and accrued liabilities” line item of the consolidated balance sheets.

(2)For the three months ended September 30, 2018, we incurred equity-based compensation and professional fees of $702 thousand. As of September 30, 2018, the outstanding liability for accrued but unpaid equity based compensation and professional fees expense was $131 thousand, which is included in the “Accounts payable and accrued liabilities” line item of the consolidated balance sheets.

(3)Product-related and other expenses primarily relate to impairment write-downs of depreciated property as well as losses incurred on the sale of equipment. For the three months ended September 30, 2018, we incurred product related expenses of $11.6 million. As of September 30, 2018, the outstanding liability for accrued but unpaid product related and other expense was $9 thousand, which is included in the “Accounts payable and accrued liabilities” line item of the consolidated balance sheets.