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Property and Equipment
6 Months Ended
Jun. 30, 2021
Property and Equipment  
Property and Equipment

4. Property and Equipment

Property and equipment, net consists of the following:

June 30, 

December 31, 

    

2021

    

2020

Furniture and fixtures

$

345,712

$

345,712

Laboratory equipment

 

1,406,346

 

1,446,596

Office equipment

 

16,755

 

16,755

Computer equipment

 

300,010

 

327,776

Leasehold improvements

616,133

616,133

Property and equipment

 

2,684,956

 

2,752,972

Less accumulated depreciation

 

(2,193,868)

 

(2,132,299)

Property and equipment, net

$

491,088

$

620,673

Depreciation expense was $67,485 and $67,681 for the three months ended June 30, 2021 and 2020, respectively, and $135,573 and $135,872 for the six months ended June 30, 2021 and 2020, respectively.