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Financial Instruments and Risk Management (Details 2) - CHF (SFr)
Dec. 31, 2017
Dec. 31, 2016
Disclosure of fair value measurement of liabilities [line items]    
Financial liabilities SFr 17,559,598 SFr 18,971,366
Level 2 [Member] | Derivative financial instruments [Member]    
Disclosure of fair value measurement of liabilities [line items]    
Financial liabilities SFr 1,836,763 SFr 117,132