Balance Sheet Components (Tables)

3 Months Ended

Mar. 31, 2019

Balance Sheet Components

Schedule of property and equipment

		March 31,		December 31,
	Useful Life	2019		2018
		(in thousands)
Machinery and equipment	3-5 years	$	35,476	$	35,400
Furniture and fixtures	3 years		1,319		1,319
Computer equipment	3 years		1,873		2,117
Capitalized software held for internal use	3 years		5,348		4,868
Leasehold improvements	Lesser of useful life or lease term		10,916		10,916
Construction-in-process			4,587		4,013
			59,519		58,633
Less: Accumulated depreciation and amortization			(36,217)		(34,297)
Total Property and Equipment, net		$	23,302	$	24,336

Schedule of accrued compensation

	March 31,		December 31,
	2019		2018
	(in thousands)
Accrued paid time off	$	1,881	$	1,825
Accrued commissions		3,643		4,492
Accrued bonuses		1,220		3,757
Other accrued compensation		4,074		2,594
Total accrued compensation	$	10,818	$	12,668

Schedule of other accrued liabilities

	March 31,		December 31,
	2019		2018
(Amounts in thousands)
Settlement accrued for reimbursement related claims	$	—	$	1,378
Reserves for refunds to third-party payers		11,051		10,012
Accrued charges for outsourced testing		5,548		5,001
Testing and laboratory materials from suppliers		2,247		2,742
Marketing and corporate affairs		2,467		1,306
Legal, audit and consulting fees		1,471		1,058
Accrued shipping charges		564		852
Sales tax payable		1,442		1,255
Accrued specimen service fees		744		1,378
Accrued rent		—		903
Clinical trials and studies		1,841		1,694
Operating lease liabilities, current portion		5,147		—
Other accrued expenses		5,317		4,863
Total other accrued liabilities	$	37,839	$	32,442