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Financial risk management (Detail Textuals) (USD $)
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12 Months Ended | |
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Dec. 31, 2013
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Dec. 31, 2012
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Interest Rate Risk [Member]
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| Concentration Risk [Line Items] | ||
| Financial risk, interest rate fluctuation benchmark, percentage | 10.00% | |
| Financial risk, short-term investments | $ 70,961 | |
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Credit Risk [Member]
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| Concentration Risk [Line Items] | ||
| Financial risk, financial instrument maximum exposure | 11,062 | 45,499 |
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Foreign Exchange Risk [Member]
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| Concentration Risk [Line Items] | ||
| Financial risk, accounts payable and accrued liabilities and loan payable | 90,143 | |
| Financial risk, interest rate fluctuation benchmark, percentage | 10.00% | |
| Financial risk, financial instrument maximum exposure | 9,014 | |
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Liquidity Risk [Member]
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| Concentration Risk [Line Items] | ||
| Financial risk, financial instrument maximum exposure | $ 521,859 | $ 1,389,744 |