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Equipment and Improvements
 12 Months Ended
Dec. 31, 2020
Property Plant And Equipment [Abstract]  
Equipment and Improvements

3. Equipment and Improvements

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

 

 

 

December 31,

 

 

 

2020

 

 

2019

 

Computer hardware, software, and equipment

 

$

9,814

 

 

$

9,079

 

Leasehold improvements

 

 

2,959

 

 

 

2,808

 

Office furniture and fixtures

 

 

714

 

 

 

1,017

 

Construction in progress

 

 

24

 

 

 

494

 

 

 

 

13,511

 

 

 

13,398

 

Less accumulated depreciation and amortization

 

 

(11,341

)

 

 

(11,289

)

Equipment and improvements, net

 

$

2,170

 

 

$

2,109

 

 

Depreciation and amortization expense on equipment and improvements was $0.7 million and $0.4 million for the years ended December 31, 2020 and 2019, respectively.