Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Schedule of Components of Provision for (Benefit from) Income Taxes

The components of the provision for (benefit from) income taxes are as follows (in thousands):

	Year Ended December 31,
	2020			2019		2018
Current:
Federal	$	(2,678	)	$	—	$	—
State		105			1		(589	)
Foreign		—			18		—
Total current		(2,573	)		19		(589	)
Deferred:
Federal		(242	)		—		—
State		—			—		—
Foreign		—			—		—
Total deferred		(242	)		—		—
Provision for (benefit from) income taxes	$	(2,815	)	$	19	$	(589	)

Schedule of (Provision for) Benefit from Income Taxes Differs from Federal Statutory Rate to the Loss Before Taxes

For the rate table below the (provision for) benefit from income taxes differ from the amount expected by applying the federal statutory rate to the loss before taxes as follows:

	Year Ended December 31,
	2020			2019			2018
Federal statutory income tax rate		21.0	%		21.0	%		21.0	%
Other permanent differences		(0.5	)%		(0.1	)%		(0.1	)%
State income taxes		6.1	%		5.1	%		3.8	%
Foreign rate differential		0.0	%		0.0	%		0.2	%
Foreign loss		0.0	%		(0.2	)%		(2.2	)%
Federal benefit from NOL carryback		6.7	%		0.0	%		0.0	%
Change in valuation allowance		(25.8	)%		(27.7	)%		(20.0	)%
Change in fair value of redeemable convertible preferred stock tranche liability and TRDF liability		(0.5	)%		1.7	%		8.7	%
Stock-based compensation		0.1	%		0.1	%		(6.0	)%
Benefit from (provision for) income taxes		7.1	%		(0.1	)%		5.4	%

Schedule of Deferred Tax Assets and Liabilities

The tax effects of temporary differences and carryforwards of the deferred tax assets are presented below (in thousands):

	December 31,
	2020			2019			2018
Deferred Tax Assets:
Net operating loss carryforwards	$	51,796		$	12,510		$	5,233
Operating lease right-of-use asset liability		5,686			—			—
Deferred revenue		2,857			5,719			5,125
Stock-based compensation		1,750			509			274
Intangible assets		1,195			609			804
Accruals and reserves		654			446			431
Research and development credit carryforwards		26			26			26
Gross deferred tax assets		63,964			19,819			11,893
Less: Valuation allowance		(57,715	)		(19,815	)		(11,739	)
Deferred tax assets, net of valuation allowance		6,249			4			154
Deferred tax liabilities:
Fixed assets		—			(4	)		(154	)
Basis Difference IPR&D		(313	)		—			—
Operating lease right-of-use asset		(6,061	)		—			—
Net deferred tax liability	$	(125	)	$	—		$	—

Schedule of Reconciliation of Unrecognized Tax Benefits

A reconciliation of the beginning and ending unrecognized tax benefit amount is as follows (in thousands):

	Year Ended December 31,
	2020		2019		2018
Balance at the beginning of the year	$	797	$	797	$	866
Adjustment based on tax positions related to prior years		—		—		(69	)
Balance at the end of the year	$	797	$	797	$	797