PROPERTY AND EQUIPMENT

9 Months Ended

Sep. 30, 2021

Property Plant And Equipment [Abstract]

PROPERTY AND EQUIPMENT

6. PROPERTY AND EQUIPMENT:

Property and equipment, net consist of the following (in thousands):

	September 30, 2021			December 31, 2020
Land	$	2,642		$	2,642
Building and improvements		74,983			53,568
Office and lab equipment		101,344			85,881
Furniture, fixtures and computer related assets		15,826			8,921
Construction-in-progress		11,155			23,594
		205,950			174,606
Less: Accumulated depreciation		(86,962	)		(72,493	)
Property and equipment, net	$	118,988		$	102,113

Depreciation expense was $5.3 million and $3.9 million for the three months ended September 30, 2021 and 2020, respectively, and $14.5 million and $11.1 million for the nine months ended September 30, 2021 and 2020, respectively.