Property, Equipment and Leasehold Improvements

3 Months Ended

Mar. 31, 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:

	March 31, 2020			December 31, 2019
Laboratory equipment	$	8,840,539		$	8,045,179
Office equipment		915,129			865,888
Leasehold improvements		3,695,443			2,809,205
Total		13,451,111			11,720,272
Less: accumulated depreciation and amortization		(3,875,343	)		(3,264,861	)
Property, equipment and leasehold improvements, net	$	9,575,768		$	8,455,411

Depreciation and amortization expense totaled $617,469 and $246,159 for the three months ended March 31, 2020 and 2019, respectively.