Income taxes (Details 1) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Deferred tax assets:
Loss carry-forwards	$ 2,700,000	$ 2,500,000
Valuation allowance	(2,700,000)	(2,500,000)
Total	0us-gaap_DeferredTaxAssetsGross	0us-gaap_DeferredTaxAssetsGross
Deferred tax liabilities:
Property and equipment	0	0
Net deferred taxes	$ 0us-gaap_DeferredTaxAssetsNet	$ 0us-gaap_DeferredTaxAssetsNet

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

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