Balance Sheet Components (Tables)

9 Months Ended

Sep. 30, 2017

Balance Sheet Components

Schedule of property and equipment

		September 30,		December 31,
	Useful Life	2017		2016
		(in thousands)
Machinery and equipment	3-5 years	$	31,515	$	27,303
Furniture and fixtures	3 years		1,216		1,087
Computer equipment	3 years		1,951		861
Capitalized software held for internal use	3 years		4,081		2,172
Leasehold improvements	Lesser of useful life or lease term		10,668		10,444
Construction-in-process			6,149		9,759
			55,580		51,626
Less: Accumulated depreciation and amortization			(25,163)		(19,337)
Total Property and Equipment, net		$	30,417	$	32,289

Schedule of accrued compensation

	September 30,		December 31,
	2017		2016
	(in thousands)
Accrued paid time off	$	1,801	$	1,892
Accrued commissions		2,951		3,868
Accrued bonuses		1,950		2,387
Other accrued compensation		2,726		2,920
Total accrued compensation	$	9,428	$	11,067

Schedule of other accrued liabilities

	September 30,		December 31,
	2017		2016
	(in thousands)
Reserves for refunds to insurance carriers	$	8,138	$	7,535
Accrued charges for outsourced testing		6,033		3,261
Testing and laboratory materials from suppliers		1,151		543
Other accrued expenses		3,466		4,521
Marketing and corporate affairs		1,005		202
Legal, audit and consulting fees		289		180
Accrued shipping charges		370		467
Sales tax payable		351		459
Accrued specimen service fees		958		469
Accrued rent		766		195
Clinical trials and studies		495		388
Leasehold improvement projects in progress		—		1,659
Total other accrued liabilities	$	23,022	$	19,879