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Property and Equipment, Net
12 Months Ended
Dec. 31, 2019
Property Plant And Equipment [Abstract]  
Property and Equipment, Net

5. Property and Equipment, Net

Property and equipment, net consists of the following:

 

 

 

At December 31,

 

 

 

2019

 

 

2018

 

Capitalized equipment

 

$

7,923

 

 

$

4,208

 

Capitalized software

 

 

181

 

 

 

252

 

Capitalized website development costs

 

 

11,083

 

 

 

6,907

 

Furniture and fixtures

 

 

6,809

 

 

 

4,584

 

Leasehold improvements

 

 

19,507

 

 

 

10,821

 

Construction in progress

 

 

524

 

 

 

8,971

 

Finance lease right-of-use assets

 

 

78

 

 

 

-

 

 

 

 

46,105

 

 

 

35,743

 

Less accumulated depreciation and amortization

 

 

(18,155

)

 

 

(11,474

)

Property and equipment, net

 

$

27,950

 

 

$

24,269

 

 

Depreciation and amortization expense, excluding amortization of intangible assets, was $7,168, $5,029, and $3,795 for the years ended December 31, 2019, 2018, and 2017, respectively. The increase of $8,686 in leasehold improvements and the decrease of $8,447 in construction in progress at December 31, 2019 was primarily due to costs incurred to build out the Company’s new leased facility at 121 First Street in Cambridge, Massachusetts. The facility became occupied subsequent to December 31, 2018, at which time the assets ceased to be classified as construction in progress and became classified as leasehold improvement.