Organization and Nature of Business; Basis of Presentation; Principles of Consolidation; Significant Accounting Policies - Narrative (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Property, Plant and Equipment [Line Items]
Convertible notes	$ 0		$ 0		$ 107,984,000
Accumulated deficit	(592,630,000)		(592,630,000)		(570,668,000)
Net loss	(15,896,000)	$ (8,986,000)	(47,884,000)	$ (54,899,000)
Net cash used in operating activities			(39,178,000)	$ (35,376,000)
Cash, cash equivalents, and marketable securities	55,400,000		55,400,000
Total current liabilities	66,084,000		66,084,000		6,945,000
Current portion of convertible notes	56,325,000		56,325,000		$ 0
Impairment charges	$ 0		$ 0
Instrument warranty term			1 year
Kits and accessories warranty term			60 days
Gross margin	0.20	0.32	0.25	0.35
Lease extension	1 year		1 year
Lessor lease term	5 years		5 years
As Previously Reported
Property, Plant and Equipment [Line Items]
Convertible notes	$ 56,325,000		$ 56,325,000
Accumulated deficit	(592,439,000)		(592,439,000)
Net loss	(15,705,000)		(47,693,000)
Total current liabilities	9,568,000		9,568,000
Current portion of convertible notes	$ 0		$ 0
Instruments
Property, Plant and Equipment [Line Items]
Estimated useful life of assets			5 years
Equipment
Property, Plant and Equipment [Line Items]
Lease term	3 years		3 years
Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life of assets			1 year
Lease term	2 years		2 years
Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life of assets			7 years
Lease term	6 years		6 years
2.50% Convertible notes due 2023 | Convertible notes
Property, Plant and Equipment [Line Items]
Interest rate	2.50%		2.50%
2.50% Convertible notes due 2023 | Convertible notes | As Previously Reported
Property, Plant and Equipment [Line Items]
Convertible notes	$ 56,300,000		$ 56,300,000