Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2018

Balance Sheet Components

Schedule of allowance for doubtful accounts

	December 31,		December 31,		December 31,
	2018		2017		2016
	(in thousands)
Beginning balance	$	2,000	$	1,890	$	971
Provision for estimated bad debts		(41)		143		984
Write offs		(171)		(33)		(65)
Ending balance	$	1,788	$	2,000	$	1,890

Schedule of property and equipment

		December 31,		December 31,
	Useful Life	2018		2017
		(in thousands)
Machinery and equipment	3-5 years	$	35,400	$	31,825
Furniture and fixtures	3 years		1,319		1,216
Computer equipment	3 years		2,117		1,958
Capitalized software held for internal use	3 years		4,868		4,465
Leasehold improvements	Life of lease		10,916		10,691
Construction-in-process			4,013		6,497
			58,633		56,652
Less: Accumulated depreciation and amortization			(34,297)		(26,985)
Total Property and Equipment, net		$	24,336	$	29,667

Schedule of accrued compensation

	December 31,		December 31,
	2018		2017
	(in thousands)
Accrued paid time off	$	1,825	$	1,806
Accrued commissions		4,492		3,558
Accrued bonuses		3,757		2,063
Other accrued compensation		2,594		2,172
Total accrued compensation	$	12,668	$	9,599

Schedule of other accrued liabilities

	December 31,		December 31,
	2018		2017
(Amounts in thousands)			(As Revised)
Settlement accrued for reimbursement related claims	$	1,378	$	10,062
Reserves for refunds to insurance carriers		10,012		6,794
Accrued charges for outsourced testing		5,001		6,566
Testing and laboratory materials from suppliers		2,742		1,367
Marketing and corporate affairs		1,306		1,456
Legal, audit and consulting fees		1,058		206
Accrued shipping charges		852		198
Sales tax payable		1,255		504
Accrued specimen service fees		1,378		683
Accrued rent		903		856
Clinical trials and studies		1,694		483
Other accrued expenses		4,863		4,082
Total other accrued liabilities	$	32,442	$	33,257