Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2021

Balance Sheet Components

Schedule of allowances for credit losses

	December 31,		December 31,		December 31,
	2021		2020		2019
	(in thousands)
Beginning balance	$	4,220	$	2,919	$	1,788
Cumulative-effect adjustment upon adoption of ASU 2016-13		—		404		—
Provision for credit losses		(156)		1,354		1,141
Write offs		(1,635)		(457)		(10)
Ending balance	$	2,429	$	4,220	$	2,919

Schedule of property and equipment

		December 31,		December 31,
	Useful Life	2021		2020
		(in thousands)
Machinery and equipment	3-5 years	$	33,722	$	51,001
Furniture and fixtures	3 years		—		1,376
Computer equipment	3 years		4,893		2,428
Capitalized software held for internal use	3 years		2,395		7,417
Leasehold improvements	Life of lease		13,640		14,810
Construction-in-process			30,279		6,370
			84,929		83,402
Less: Accumulated depreciation and amortization			(19,413)		(50,054)
Total Property and Equipment, net		$	65,516	$	33,348

Schedule of accrued compensation

	December 31,		December 31,
	2021		2020
	(in thousands)
Accrued paid time off	$	2,567	$	2,260
Accrued commissions		15,726		12,686
Accrued bonuses		15,854		9,635
Other accrued compensation		6,794		5,790
Total accrued compensation	$	40,941	$	30,371

Schedule of other accrued liabilities

	December 31,		December 31,
	2021		2020
	(in thousands)
Reserves for refunds to insurance carriers	$	17,210	$	17,366
Accrued charges for third-party testing		5,849		5,141
Testing and laboratory materials from suppliers		3,799		2,720
Marketing and corporate affairs		7,853		3,325
Legal, audit and consulting fees		11,758		4,189
Accrued shipping charges		969		1,604
Sales tax payable		2,230		1,723
Accrued third-party service fees		13,442		2,355
Clinical trials, studies, and other development		11,218		2,353
Operating lease liabilities, current portion		5,752		7,300
Fixed asset purchases		1,853		1,691
Other accrued interest		1,078		1,078
Other accrued expenses		10,342		9,562
Total other accrued liabilities	$	93,353	$	60,407