Property and Equipment, Net

12 Months Ended

Dec. 31, 2019

5. Property and Equipment, Net

Property and equipment consist of the following:


	December 31,
(in thousands)	2019		2018
Research equipment	$	10,703	$	7,787
Leasehold improvements		5,368		4,825
Computer equipment		463		167
Furniture and fixtures		93		70
Construction in progress		609		1,027
Property and equipment, gross		17,236		13,876
Less: accumulated depreciation and amortization		(5,146)		(2,469)
Property and equipment, net	$	12,090	$	11,407

Construction in progress at December 31, 2019 consists of the costs incurred for research equipment and for the build-out of additional lab and office space and at December 31, 2018 consists of the costs incurred for the build-out of a manufacturing suite at the Company’s headquarters in Beltsville, Maryland.

Depreciation and amortization expense was $2.7 million and $1.7 million for the years ended December 31, 2019 and 2018, respectively.