3. Significant accounting policies - Fixed Asset Depreciation (Details)	3 Months Ended
	Mar. 31, 2014
Computer Equipment [Member]
Fixed Assets, Depreciation Rate	30.00%
Computer Software [Member]
Fixed Assets, Depreciation Rate	100.00%
Furniture and Equipment [Member]
Fixed Assets, Depreciation Rate	30.00%
Medical Equipment [Member]
Fixed Assets, Depreciation Rate	25.00%
Vehicles [Member]
Fixed Assets, Depreciation Rate	30.00%