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Stock Warrants (Tables)
12 Months Ended
Dec. 31, 2016
Stockholders' Equity Note [Abstract]  
Schedule of Stock Warrants
Stock warrants as of December 31, 2016, 2015 and 2014 consisted of:
 
 
 
2016
 
2015
 
2014
 
 
Warrants
 
Weighted
Average
Exercise Price
 
Warrants
 
Weighted
Average
Exercise Price
 
Warrants
 
Weighted
Average
Exercise Price
Beginning balance
 

 
$

 
84,000

 
$
1.21

 
354,546

 
$
1.21

 
 
 
 
 
 
 
 
 
 
 
 
 
Stock warrants granted
 

 

 

 

 

 

Stock warrants expired
 

 

 
(16,364
)
 
1.21

 

 

Stock warrants exercised
 

 

 
(67,636
)
 
1.21

 
(270,546
)
 
1.21

 
 
 
 
 
 
 
 
 
 
 
 
 
Ending balance
 

 
$

 

 
$

 
84,000

 
$
1.21