Income Taxes (Tables)
12 Months Ended
Dec. 31, 2021
Income Tax Disclosure [Abstract]  
Schedule of Reconciliation of the Statutory Federal Income Tax Rate

A reconciliation of income taxes computed using the statutory federal tax rate to the Company’s effective income tax rate as of December 31, 2021 and 2020 are as follows:

 

 

 

Year Ended
December 31,

 

 

 

2021

 

 

2020

 

U.S. federal statutory income tax rate

 

 

21.0

%

 

 

21.0

%

State and local taxes, net of federal benefit

 

 

4.8

%

 

 

5.4

%

Research and development credits

 

 

2.9

%

 

 

3.0

%

Other

 

 

0.3

%

 

 

0.3

%

Change in valuation allowance

 

 

(29.0

)%

 

 

(29.7

)%

Effective income tax rate

 

 

0.0

%

 

 

0.0

%

Schedule of Deferred Tax Assets and Liabilities

The tax effects of temporary differences that gave rise to significant portions of the deferred tax assets were as follows (in thousands):

 

 

 

Year Ended
December 31,

 

 

 

2021

 

 

2020

 

Deferred tax assets:

 

 

 

 

 

 

Net operating loss carryforwards

 

$

43,542

 

 

$

27,469

 

Research and development credits

 

 

5,938

 

 

 

3,866

 

Other temporary differences

 

 

2,772

 

 

 

681

 

Gross deferred tax assets

 

 

52,252

 

 

 

32,016

 

Deferred tax liabilities:

 

 

 

 

 

 

Depreciation

 

 

 

 

 

 

Stock-based compensation

 

 

 

 

 

 

Debt discount

 

 

 

 

 

(609

)

Gross deferred tax liabilities

 

 

 

 

 

(609

)

Net deferred tax assets

 

 

52,252

 

 

 

31,407

 

Valuation allowance

 

 

(52,252

)

 

 

(31,407

)

Net deferred tax assets

 

$

 

 

$