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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2020
Income Tax Disclosure [Abstract]  
Reconciliation of Effective Income Tax Rate to Statutory Federal Rate
The Company’s effective income tax rate differs from the statutory federal income tax rate as follows for the years ended December 31, 2020 and 2019.
Years Ended December 31,
 20202019
Federal tax provision (benefit) rate(21.0)%(21.0)%
State tax provision, net of federal provision(4.6)19.9 
Permanent items5.9 1.1 
Federal research and development credits— — 
382 Limitation - NOL and tax credits (1.9)861.5 
Other(0.3)— 
Change in statutory tax rate— — 
Valuation allowance21.9 (861.5)
Effective income tax rate— — 
Schedule of Deferred Tax Assets
The Company’s deferred tax assets consist of the following:
December 31,
 20202019
Deferred tax assets:  
Net operating loss carryforwards
$2,211,161 $1,592,993 
Research and development credit carryforwards
43,667 — 
Accrued expenses
112,995 96,030 
Inventory reserve
311,639 306,855 
Stock-based compensation
245,988 222,420 
Right of use asset290,268 — 
Other
— (9,455)
Total gross deferred tax assets3,215,718 2,208,843 
Valuation allowance(3,012,513)(2,208,843)
Deferred tax liabilities:
Lease liability $(189,498)$— 
Other
$(13,707)$— 
Net deferred tax assets$— $—