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Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2016

Balance Sheet Components [Abstract]

Components Of Inventory



	December 31,
(in thousands)	2016			2015
Purchased materials	$	4,817		$	4,041
Work in process		7,287			3,576
Finished goods		3,530			3,338
Inventory	$	15,634		$	10,955

Components Of Prepaid Expenses And Other Current Assets


	December 31,
(in thousands)	2016			2015
Receivable from Existing Landlord	$	5,000		$	10,000
Rent deposits for O'Brien building		2,160			—
Prepaid expenses		2,342			1,330
Other current assets		476			741
Prepaid expenses and other current assets	$	9,978		$	12,071

Components Of Other Long-term Assets


	December 31,
(in thousands)	2016			2015
Receivable from Existing Landlord	$	—		$	5,000
Rent deposits and tenant improvements for O'Brien building		9,641			2,160
Other		172			358
Other long-term assets	$	9,813		$	7,518

Components Of Property And Equipment, Net



	December 31,
(in thousands)	2016			2015
Building	$	1,160		$	1,160
Laboratory equipment and machinery		23,337			20,358
Leasehold improvements		8,138			8,348
Computer equipment		7,170			6,781
Software		5,189			4,798
Furniture and fixtures		823			968
Construction in progress		5,772			—
		51,589			42,413
Less: Accumulated depreciation		(37,029)			(33,865)
Property and equipment, net	$	14,560		$	8,548

Schedule Of Accrued Expenses



	December 31,
(in thousands)	2016			2015
Salaries and benefits	$	8,562		$	8,129
Accrued license and development services		5,411			5,459
Inventory accrual, professional services, accrued interest and other		2,631			1,963
Accrued expenses	$	16,604		$	15,551