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Deferred Revenue
12 Months Ended
Dec. 31, 2016
Deferred Revenue [Abstract]  
Deferred Revenue

8. Deferred Revenue

Deferred revenue consists of the following:





 

 

 



December 31,

 

December 31,



2016

 

2015



 

 

 

 Product shipped, revenue deferred

$        549,709

 

$        366,388

 Customer deposits

2,910,000 

 

2,505,000 

 Deferred service and license fees

5,813,956 

 

6,583,745 

 Total deferred revenue

9,273,665 

 

9,455,133 

 Less: Long-term deferred revenue

(522,329)

 

(2,009,198)

 Total current deferred revenue

$     8,751,336

 

$     7,445,935