Condensed Consolidated Balance Sheet Components (Tables)

3 Months Ended

Mar. 31, 2020

Balance Sheet Related Disclosures [Abstract]

Schedule of Property, Plant and Equipment

Property and equipment, net consist of the following:

	March 31, 2020			December 31, 2019
	(unaudited)
	(in thousands)
Machinery and equipment	$	32,603		$	29,119
Computer hardware	7,108			6,296
Leasehold improvements	22,233			21,031
Furniture and fixtures	2,601			1,962
Computer software	930			829
Construction in progress	5,939			6,354
Property and equipment, gross	$	71,414		$	65,591
Less: accumulated depreciation and amortization	(24,729		)	(21,923		)
Property and equipment, net	$	46,685		$	43,668

Schedule of Accrued Liabilities

Accrued expenses consist of the following:

	March 31, 2020		December 31, 2019
	(unaudited)
	(in thousands)
Accrued royalty obligations	$	350	$	1,564
Accrued legal expenses	2,951		1,046
Accrued tax liabilities	3,362		3,050
Accrued professional services	3,094		3,464
Accrued clinical trials and studies	2,012		2,029
Purchases of property and equipment included in accrued expenses	281		2,424
Operating lease liabilities	7,307		7,140
Other	3,716		4,986
Total accrued expenses	$	23,073	$	25,703