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Deferred Revenues (Tables)
 9 Months Ended
Sep. 30, 2016
Deferred Revenue Disclosure [Abstract]  
Summary of Deferred Revenues

Deferred revenues consisted of the following:

 

 

 

September 30,

 

 

December 31,

 

 

 

2016

 

 

2015

 

Service activation fees

 

$

8,385

 

 

$

10,800

 

Prepaid services

 

 

2,406

 

 

 

2,624

 

Warranty revenues

 

 

396

 

 

 

252

 

 

 

 

11,187

 

 

 

13,676

 

Less current portion

 

 

(7,565

)

 

 

(7,652

)

Long-term portion

 

$

3,622

 

 

$

6,024