Property and Equipment

6 Months Ended

12 Months Ended

Jun. 30, 2020

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Property and Equipment

5. Property and Equipment

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

	June 30, 2020			December 31, 2019
Equipment	$	7,030		$	7,230
Furniture and fixtures		629			629
Leasehold improvements		896			896
Software		912			669
Assets not yet placed in service		—			230
Total property and equipment–at cost		9,467			9,654
Less: Accumulated depreciation and amortization		(6,638	)		(5,903	)
Property and equipment, net	$	2,829		$	3,751

Total depreciation and amortization expense for three months ended June 30, 2020 and 2019, was $0.4 million and $0.5 million, respectively. Total depreciation and amortization expense for six months ended June 30, 2020 and 2019, was $0.9 million and $1.1 million, respectively.

5. Property and Equipment

Property and equipment as of December 31, 2019 and 2018, consisted of the following (in thousands):

	2019			2018
Equipment	$	7,230		$	6,904
Furniture and fixtures		629			599
Leasehold Improvements		896			1,172
Software		669			581
Assets not yet placed in service		230			207
Total property and equipment–at cost		9,654			9,463
Less: Accumulated depreciation and amortization		(5,903	)		(4,096	)
Property and equipment, net	$	3,751		$	5,367

Total depreciation and amortization expense for the years ended December 31, 2019 and 2018, was $2.1 and $1.9, respectively.