Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Summary of Reconciliation of Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash included in the consolidated balance sheets to the amounts included in the consolidated statements of cash flows (in thousands):

	December 31,		December 31,
	2023		2022
Cash and cash equivalents	$	35,665	$	44,367
Restricted cash		2,416		2,000
Total cash, cash equivalents and restricted cash in the    consolidated statements of cash flows	$	38,081	$	46,367

Summary of Loans and Financing Receivable

Accounts receivable consists of the following (in thousands):

	December 31,		December 31,
	2023		2022
Billed accounts receivable	$	8,564	$	1,150
Unbilled accounts receivable		2,903		2,142
Total accounts receivable	$	11,467	$	3,292

Summary of Property Plant And Equipment Useful Life

Depreciation is calculated using the straight-line method over the estimated useful lives of the assets. Useful lives are as follows:

Computer equipment and acquired computer software	3 – 5 years
Machinery, equipment, furniture and fixtures	5 – 7 years
Quantum computing systems	3 years
Leasehold improvements	Shorter of the lease term or the estimated useful life of the related asset

Summary of Changes in Unearned Revenue

The following table summarizes the changes in unearned revenue for the years ended December 31, 2023 and 2022 (in thousands):

	2023			2022
Beginning balance	$	9,930		$	4,963
Revenue recognized		(8,660	)		(4,216	)
New deferrals, net		11,264			9,183
Ending balance	$	12,534		$	9,930

Schedule of Earnings Per Share, Basic and Diluted

The following table sets forth the computation of basic and diluted loss per share attributable to common stockholders (in thousands, except share and per share data):

	Year Ended December 31,
Numerator:	2023			2022
Net loss attributable to common stockholders	$	(157,771	)	$	(48,511	)
Denominator:
Weighted average shares used in computing net loss per share    attributable to common stockholders—basic and diluted		202,576,492			197,727,642
Net loss per share attributable to common stockholders—basic    and diluted	$	(0.78	)	$	(0.25	)

Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following is a summary of the weighted average common stock equivalents for the securities outstanding during the respective periods that have been excluded from the computation of diluted net loss per common share, as their effect would be anti-dilutive:

	Year Ended December 31,
	2023		2022
Common stock options outstanding		23,518,426		22,951,439
Warrants to purchase common stock		8,301,202		8,301,202
Public warrants		5,230,613		5,231,750
Unvested restricted stock units		13,726,782		4,418,852
Unvested performance-based restricted stock units		542,905		—
Unvested common stock		654,442		1,158,095
Total		51,974,370		42,061,338