Property and Equipment, net

12 Months Ended

Dec. 31, 2019

Property and Equipment, net

Property and Equipment, net

4. Property and Equipment, net

Property and equipment consisted of the following (in thousands):

	Estimated
	Useful		December 31,
	Life in Years		2019		2018
Computers and software		3 - 5	$	480	$	752
Office equipment and furniture		5		706		832
Manufacturing equipment		5		10		242
Leasehold improvements		10		3,082		3,082
Leased assets		5		45		59
Total property and equipment				4,323		4,967
Less accumulated depreciation and amortization				(1,618)		(1,580)
Property and equipment, net			$	2,705	$	3,387

Depreciation and amortization expense was $0.6 million,  $0.6 million, and $0.5 million for the years ended December 31, 2019, 2018 and 2017, respectively.