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Property and Equipment
12 Months Ended
Dec. 31, 2021
Property and Equipment  
Property and Equipment

6. Property and Equipment

Property and equipment, net consisted of the following at December 31:

 

2021

    

2020

Furniture and fixtures

$

345,712

$

345,712

Laboratory equipment

 

1,406,346

 

1,446,596

Office equipment

 

17,762

 

16,755

Computer equipment

 

305,784

 

327,776

Leasehold improvements

616,133

616,133

Property and equipment

 

2,691,737

 

2,752,972

Less accumulated depreciation

 

(2,322,895)

 

(2,132,299)

Property and equipment, net

$

368,842

$

620,673

Depreciation of property and equipment totaled $264,600, $270,754 and $279,234 for the years ended December 31, 2021, 2020 and 2019, respectively.