Property and Equipment, Net

3 Months Ended

12 Months Ended

Mar. 31, 2021

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

6.     Property and Equipment, Net

Property and equipment, net consisted of the following:

	March 31, 2021			December 31, 2020
Building(1)	$	12,513		$	12,513
Leasehold improvement(2)		70,548			55,289
Laboratory and production equipment		7,774			5,884
Machinery, equipment and fixtures		6,978			3,704
Construction in progress		2,184			19,773
Property and equipment		99,997			97,163
Less: Accumulated depreciation(3)		(9,550	)		(7,086	)
Property and equipment, net	$	90,447		$	90,077

(1)      Includes $12,513 at March 31, 2021 and December 31, 2020 under financing lease resulting from a failed sale leaseback (see Note 9).

(2)      Includes $70,026 and $55,273 at March 31, 2021 and December 31, 2020, respectively, under financing lease resulting from a failed sale leaseback (see Note 9).

(3)      Includes $5,258 and $2,624 at March 31, 2021 and December 31, 2020, respectively, under financing lease resulting from a failed sale leaseback (see Note 9).

Depreciation expense was $1,395 and $648, for the three months ended March31, 2021 and 2020, respectively.

7.     Property and Equipment, Net

Property and equipment, net consisted of the following:

	December 31,
	2020			2019
Building(1)	$	12,513		$	—
Leasehold improvement(2)		55,289			776
Laboratory and production equipment		5,884			4,865
Machinery, equipment and fixtures		3,704			3,991
Construction in progress		19,773			61,137
Property and equipment		97,163			70,769
Less: Accumulated depreciation(3)		(7,086	)		(4,382	)
Property and equipment, net	$	90,077		$	66,387

____________

(1)      Includes $12,513 at December 31, 2020 under financing lease resulting from a failed sale leaseback (see Note 10).

(2)      Includes $55,273 at December 31, 2020 under financing lease resulting from a failed sale leaseback (see Note 10).

(3)      Includes $2,624 at December 31, 2020 under financing lease resulting from a failed sale leaseback (see Note 10).

Depreciation expense was $4,780 and $2,043, for the years ended December31, 2020 and 2019, respectively.

Construction in progress

Construction in progress of $19,773 as of December31, 2020 primarily relates to the leasehold improvements made at the Company’s leased facilities in Florham Park, NJ (see Note 10).