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Impact of recent accounting pronouncements
 3 Months Ended
Mar. 31, 2014
New Accounting Pronouncements and Changes In Accounting Principles [Abstract]  
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]
9. Impact of recent accounting pronouncements
 
In March 2013, the FASB issued ASU 2013-05, Foreign Currency Matters (Topic 830: Parent’s Accounting for the Cumulative Translation Adjustment upon Derecognition of Certain Subsidiaries or Groups of Assets within a Foreign Entity or of an Investment in a Foreign Entity). This ASU offers guidance on a parent’s accounting for the cumulative translation adjustment upon derecognition of a subsidiary or group of assets within a foreign entity. This new guidance requires that the parent release any related cumulative translation adjustment into net income only if the sale or transfer results in the complete or substantially complete liquidation of the foreign entity in which the subsidiary or group of assets had resided. The amendment is effective for annual and interim reporting periods beginning after December 15, 2013. The adoption of ASU 2013-05 did not have an impact on the Company’s consolidated financial statements.