Summary of Significant Accounting Policies (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2022

Dec. 31, 2021

Accounting Policies [Abstract]

Schedule of Estimated Useful Life of Assets Based on Depreciation and Amortization Expense

Depreciation and amortization expense is recognized using the straight-line method over the estimated useful life of each asset, as follows:

	Estimated Useful Life
Building		26 years
Furniture and fixtures		5—7 years
Lab equipment		5 years
Computer equipment		3 years
Software		3 years
Leasehold improvements		shorter of the estimated useful life and the lease term

Property and equipment, net consisted of the following:

	December 31,
	2021			2020
Building(1)	$	12,513		$	12,513
Leasehold improvement(2)		71,468			55,289
Laboratory and production equipment		11,395			5,884
Machinery, equipment and fixtures		7,974			3,704
Construction in progress		2,054			19,773
Property and equipment		105,404			97,163
Less: Accumulated depreciation(3)		(14,779	)		(7,086	)
Property and equipment, net	$	90,625		$	90,077

Schedule of Antidilutive Securities Excluded from Computation of Diluted Weighted-average Shares of Common Stock Outstanding

The following potentially dilutive securities have been excluded from the computation of diluted weighted-average shares of common stock outstanding, prior to the use of the two-class method, as they would be anti-dilutive:

	Three Months Ended March 31,
	2022		2021
Redeemable convertible preferred stock		—		107,525,553
Stock options		23,999,206		22,815,643
Restricted stock units		517,616		—
Warrants		29,404,809		25,775,905
		53,921,631		156,117,101

The following potentially dilutive securities have been excluded from the computation of diluted weighted-average shares of common stock outstanding, prior to the use of the two-class method, as they would be anti-dilutive:

	December 31,
	2021		2020
Redeemable convertible preferred stock		—		82,643,496
Stock options		26,533,868		17,167,165
Restricted stock units		474,700		—
Warrants		42,686,195		19,811,204
		69,694,763		119,621,865