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FIXED ASSETS
 12 Months Ended
Dec. 31, 2017
Property Plant And Equipment [Abstract]  
Fixed Assets

5.

FIXED ASSETS

Fixed assets consist of the following:

 

 

 

December 31,

 

 

 

2017

 

 

2016

 

Furniture and fixtures

 

$

3,106

 

 

$

5,745

 

Computer hardware and software

 

 

69,865

 

 

 

69,973

 

Equipment

 

 

7,515

 

 

 

5,173

 

Leasehold improvements

 

 

12,661

 

 

 

11,936

 

 

 

 

93,147

 

 

 

92,827

 

Accumulated depreciation

 

 

(61,598

)

 

 

(60,184

)

 

 

$

31,549

 

 

$

32,643

 

 

Depreciation and amortization expense related to fixed assets was $14,082, $12,736 and $9,158 in 2017, 2016 and 2015, respectively.