Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2019

Balance Sheet Components

Schedule of allowance for doubtful accounts

	December 31,		December 31,		December 31,
	2019		2018		2017
	(in thousands)
Beginning balance	$	1,788	$	2,000	$	1,890
Provision for estimated bad debts		1,141		(41)		143
Write offs		(10)		(171)		(33)
Ending balance	$	2,919	$	1,788	$	2,000

Schedule of property and equipment

		December 31,		December 31,
	Useful Life	2019		2018
		(in thousands)
Machinery and equipment	3-5 years	$	36,414	$	35,400
Furniture and fixtures	3 years		1,376		1,319
Computer equipment	3 years		1,828		2,117
Capitalized software held for internal use	3 years		5,917		4,868
Leasehold improvements	Life of lease		11,556		10,916
Construction-in-process			7,716		4,013
			64,807		58,633
Less: Accumulated depreciation and amortization			(41,524)		(34,297)
Total Property and Equipment, net		$	23,283	$	24,336

Schedule of accrued compensation

	December 31,		December 31,
	2019		2018
	(in thousands)
Accrued paid time off	$	1,850	$	1,825
Accrued commissions		5,767		4,492
Accrued bonuses		5,710		3,757
Other accrued compensation		2,761		2,594
Total accrued compensation	$	16,088	$	12,668

Schedule of other accrued liabilities

	December 31,		December 31,
	2019		2018
(Amounts in thousands)
Settlement accrued for reimbursement related claims	$	—	$	1,378
Reserves for refunds to insurance carriers		9,410		10,012
Accrued charges for outsourced testing		8,408		5,001
Testing and laboratory materials from suppliers		4,301		2,742
Marketing and corporate affairs		2,957		1,306
Legal, audit and consulting fees		2,873		1,058
Accrued shipping charges		305		852
Sales tax payable		1,691		1,255
Accrued specimen service fees		2,269		1,378
Accrued rent		—		903
Clinical trials and studies		1,092		1,694
Operating lease liabilities, current portion		5,739		—
Fixed asset purchases		1,482		—
Other accrued expenses		8,516		4,863
Total other accrued liabilities	$	49,043	$	32,442