Equipment - Summary of equipment and related accumulated depreciation (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Total cost	$ 337,387	$ 339,770
Total accumulated depreciation	184,325	157,825
Plant and equipment - net	153,062	181,945
Machinery equipment
Property, Plant and Equipment [Line Items]
Total cost	172,589	177,369
Total accumulated depreciation	86,365	63,483
Transportation equipment
Property, Plant and Equipment [Line Items]
Total cost	22,664	16,879
Total accumulated depreciation	630	10,783
Office equipment
Property, Plant and Equipment [Line Items]
Total cost	141,898	145,280
Total accumulated depreciation	97,094	83,317
Other
Property, Plant and Equipment [Line Items]
Total cost	236	242
Total accumulated depreciation	$ 236	$ 242