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Property and Equipment
 6 Months Ended
Jun. 30, 2017
Property Plant And Equipment [Abstract]  
Property and Equipment

(4) Property and Equipment

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

 

 

 

Useful life

in years

 

 

As of June 30,

2017

 

 

As of December 31,

2016

 

Furniture and equipment

 

 

5

 

 

$

1,653

 

 

$

928

 

System hardware

 

 

5

 

 

 

3,320

 

 

 

3,320

 

Office computers

 

 

3

 

 

 

2,107

 

 

 

1,777

 

Computer and system software

 

 

3

 

 

 

1,560

 

 

 

1,478

 

 

 

 

 

 

 

 

8,640

 

 

 

7,503

 

Less accumulated depreciation and amortization

 

 

 

 

 

 

(5,716

)

 

 

(4,580

)

Property and equipment, net

 

 

 

 

 

$

2,924

 

 

$

2,923

 

 

Depreciation and amortization expense for property and equipment was $0.4 million and $1.1 million for the three and six months ended June 30, 2017, respectively, and $0.4 million and $0.8 million for the three and six months ended June 30, 2016, respectively.