Property, Equipment and Leasehold Improvements

9 Months Ended

Sep. 30, 2020

Property Plant And Equipment [Abstract]

Property, Equipment and Leasehold Improvements

5. Property, Equipment and Leasehold Improvements

Property, equipment and leasehold improvements consist of the following at:

	September 30, 2020			December 31, 2019
Laboratory equipment	$	10,677,953		$	8,045,179
Office equipment		1,388,459			865,888
Leasehold improvements		5,006,458			2,809,205
Total		17,072,870			11,720,272
Less: accumulated depreciation and amortization		(5,360,467	)		(3,264,861	)
Property, equipment and leasehold improvements, net	$	11,712,403		$	8,455,411

Depreciation and amortization expense totaled $861,293 and $468,225 for the three months ended September 30, 2020 and 2019, respectively, and $2,113,865 and $1,024,845 for the nine months ended September 30, 2020 and 2019, respectively.