PROPERTY AND EQUIPMENT

3 Months Ended

12 Months Ended

Mar. 31, 2021

Dec. 31, 2020

PROPERTY AND EQUIPMENT

PROPERTY AND EQUIPMENT

9. PROPERTY AND EQUIPMENT

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

	March 31,		December 31,
	2021		2020
Equipment	$	14,532	$	13,708
Furniture and fixtures		924		895
Computer equipment		1,124		1,089
Tooling		1,805		1,805
Software		1,340		1,249
Leasehold improvements		14,274		13,870
Construction in process		1,063		879
Property and equipment, gross		35,062		33,495
Less: accumulated depreciation		(22,731)		(21,335)
Total property and equipment, net	$	12,331	$	12,160

Depreciation and amortization expense was $1.5 million and $2.1 million for the three months ended March 31, 2021 and 2020, respectively.

8. PROPERTY AND EQUIPMENT

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

	December 31,
	2020		2019
Equipment	$	13,708	$	13,358
Furniture and fixtures		895		895
Computer equipment		1,089		1,089
Tooling		1,805		1,823
Software		1,249		954
Leasehold improvements		13,870		13,880
Construction in process		879		170
Property and equipment, gross		33,495		32,169
Less: accumulated depreciation		(21,335)		(13,782)
Total property and equipment, net	$	12,160	$	18,387

Depreciation and amortization expense was $7.6 million and $7.6 million for the years ended years ended December 31, 2020 and 2019, respectively.