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Inventory
12 Months Ended
Dec. 31, 2015
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]
5. Inventory
 
 
 
December 31,
 
 
 
2015
 
2014
 
Water stock
 
$
27,670
 
$
38,353
 
Consumables stock
 
 
152,350
 
 
204,180
 
Spare parts stock
 
 
6,297,082
 
 
5,736,826
 
Total inventory
 
 
6,477,102
 
 
5,979,359
 
Less current portion
 
 
1,918,728
 
 
1,738,382
 
Inventory (non-current)
 
$
4,558,374
 
$
4,240,977