Property and Equipment, Net

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

4. Property and Equipment, Net

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

	December 31,
	2021			2020
Leasehold improvements		1,636			1,636
Manufacturing equipment		1,338			1,338
Computer software and equipment	$	507		$	507
Office furniture and equipment		425			424
Construction-in-progress		—			40
		3,906			3,945
Less: Accumulated depreciation and amortization		(2,880	)		(2,276	)
	$	1,026		$	1,669

Property and equipment additions during the year ended December 31, 2021 and 2020 primarily related to office furniture and equipment and construction-in-progress related to the expansion of Company’s leased office space (see Note 5). Depreciation and amortization expense was $0.6 million and $0.8 million for the years ended December 31, 2021 and 2020, respectively.