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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Schedule of Estimated Useful Lives of Property Plant and Equipment

Depreciation expense is computed on a straight-line basis over the estimated lives of the assets as follows:

Asset Classification	Estimated Useful Life

Leasehold improvements	Lesser of 15 years or lease term
Building improvements	Lesser of 20 years or lease term
Furniture and fixtures	5 years
Computers and equipment	3 years
Purchased software	Contractual term

Summary of Changes in Contract Cost Assets

The following table presents the changes in contract cost assets (in thousands):

	Year Ended December 31,
	2022			2021			2020
Beginning balance	$	42,919		$	33,052		$	30,799
Additions		41,750			25,978			16,019
Amortization		(20,592	)		(16,111	)		(13,766	)
Ending balance	$	64,077		$	42,919		$	33,052

Summary of Inputs Used in Black-Scholes Option Pricing Model in Determining Fair Value of Warrant Liability

The following inputs were used in the Black-Scholes option pricing model in determining the fair value of the Series I warrant liability for the period from issuance date to September 30, 2020:

Fair value of Series I redeemable convertible preferred stock per share		$35.04 to $49.95
Risk-free interest rate		0.10% to 0.16%
Expected term (in years)		0.5 to 1.0
Estimated dividend yield		0.00%
Estimated weighted-average volatility		59.10% to 67.80%

Summary of Changes in Fair Value of Warrant Liability

The following table provides a summary of the changes in the fair value of the Series I warrant liability (in thousands):

Balance as of December 31, 2019	$	-
Issuance of Series I warrant		11,923
Change in fair value measurement of Series I warrant liability		36,990
Fair value of Series I warrant reclassified to Series I redeemable convertible preferred stock upon exercise		(48,913	)
Balance as of December 31, 2020	$	-