Equipment and Improvements

12 Months Ended

Dec. 31, 2019

Property Plant And Equipment [Abstract]

Equipment and Improvements

3. Equipment and Improvements

Equipment and improvements consist of the following (in thousands):

	December 31,
	2019			2018
Computer hardware, software, and equipment	$	9,079		$	14,658
Leasehold improvements		2,808			5,316
Office furniture and fixtures		1,017			962
Construction in progress		494			25
		13,398			20,961
Less accumulated depreciation and amortization		(11,289	)		(20,096	)
Equipment and improvements, net	$	2,109		$	865

Depreciation and amortization expense on equipment and improvements was $0.4 million and $0.5 million for the years ended December 31, 2019 and 2018, respectively.