TriVascular Merger (Tables)

12 Months Ended

Dec. 31, 2017

Business Combinations [Abstract]

Summary of Purchase Consideration Given in Acquisition

The total purchase consideration given related to the acquisition follows:

Cash consideration	$	84,634
Common stock consideration	100,812
Fair value of assumed TriVascular stock warrants	44
Total purchase consideration	$	185,490

Summary of Allocation of Purchase Consideration

The following presents the allocation of the purchase consideration to the assets acquired and liabilities assumed on February 3, 2016 (in thousands):

Cash and cash equivalents	$	24,012
Short-term investments	3,008
Accounts receivable	5,780
Inventories	17,765
Prepaid expenses and other current assets	1,895
Property and equipment	3,152
Intangible assets	46,200
Other assets	317
Accounts payable	(2,214		)
Accrued liabilities and other	(6,450		)
Notes payable	(61		)
Net assets acquired	$	93,404
Goodwill	$	92,086
Total purchase consideration	$	185,490

Summary of Pro Forma Financial Information of Acquisition

	Twelve Months Ended
	December 31,
	2016			2015
Combined net sales	$	195,596		$	195,605
Combined net loss from continuing operations	(150,054		)	(113,534		)
Combined basic and diluted net loss per share	$	(1.82	)	$	(1.40	)