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Property and Equipment, Net
 9 Months Ended
Sep. 30, 2019
Property Plant And Equipment [Abstract]  
Property and Equipment, Net

(4) Property and Equipment, Net

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

 

 

 

Useful life

in years

 

 

As of September 30, 2019

 

 

As of December 31, 2018

 

Furniture and equipment

 

 

5

 

 

$

1,734

 

 

$

1,189

 

Leasehold improvements (1)

 

 

5

 

 

 

4,025

 

 

 

2,776

 

System hardware

 

 

5

 

 

 

1,471

 

 

 

1,404

 

Office computers

 

 

3

 

 

 

4,667

 

 

 

3,745

 

Computer and system software

 

 

3

 

 

 

1,471

 

 

 

1,385

 

 

 

 

 

 

 

 

13,368

 

 

 

10,499

 

Less accumulated depreciation and amortization

 

 

 

 

 

 

(7,339

)

 

 

(5,849

)

Property and equipment, net

 

 

 

 

 

$

6,029

 

 

$

4,650

 

 

(1)

Lesser of the lease term or the estimated useful lives of the improvements, which may be up to 5 years.

Depreciation and amortization expense for property and equipment was $0.6 million and $0.5 million for the three months ended September 30, 2019 and 2018, respectively. Depreciation and amortization expense for property and equipment was $1.7 million and $1.4 million for the nine months ended September 30, 2019 and 2018, respectively.