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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2015
Accounting Policies [Abstract]  
Schedule of Business Acquisitions, by Acquisition [Table Text Block]
Depreciation and amortization are computed using the straight-line method over the following estimated useful lives:
 
Land and buildings
20 years
Laboratory equipment
4-8 years
Office and computer equipment
3 years
Furniture, fixtures and fittings
5-10 years