Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

The reconciliation of the U.S. statutory income tax rate to the Company’s effective tax rate is as follows:

	Year Ended December 31,
	2020		2019
Federal statutory income tax rate	21.0	%	21.0	%
State taxes, net of federal benefit	5.6	%	6.0	%
Federal and state research and development credits	2.9	%	2.9	%
Non-deductible items	(1.8)	%	(0.4)	%
Foreign	0.2	%	0.2	%
Change in valuation allowance	(27.9)	%	(29.6)	%
Other	—	%	0.1	%
Effective income tax rate	—	%	0.2	%

Schedule of Deferred Tax Assets and Liabilities

Net deferred tax assets consisted of the following (in thousands):

	December 31,
	2020		2019
Deferred tax assets:
Net operating loss carryforwards	$	26,441	$	14,502
Amortization	5,774		3,512
Research and development credits	3,053		1,230
Accrued expenses	1,433		340
Leases	207		396
Stock-based compensation	170		60
Total gross deferred tax assets	$	37,078	$	20,040
Less: Valuation allowance	(36,873)		(19,647)
Net deferred tax assets	$	205	$	393
Deferred tax liabilities:
Operating lease right-of-use asset	(205)		(393)
Total gross deferred tax liabilities	(205)		(393)
Net deferred tax assets	$	—	$	—