Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Reporting entity [Abstract]

Disclosure of closing and average exchange rates for the most significant foreign currencies

Closing rates for the most significant foreign currencies relative to CHF:

Currency		Geographical area	Reporting entities		December 31, 2017		December 31, 2016		December 31, 2015
CHF	Swiss Franc	Switzerland		3		1.0000		1.0000		1.0000
USD	Dollar	United States		1		0.9725		1.0196		1.0014
EUR	Europe	Europe		1		1.1713		1.0723		1.0875

Average exchange rates for the year for the most significant foreign currencies relative to CHF:

Currency		Geographical area	Reporting entities		2017		2016		2015
CHF	Swiss Franc	Switzerland		3		1.0000		1.0000		1.0000
USD	Dollar	United States		1		0.9849		0.9855		0.9613
EUR	Europe	Europe		1		1.1116		1.0901		1.0659

Disclosure of applicable estimated useful lives

The applicable estimated useful lives are as follows:

Production equipment	5 years
Office furniture and electronic data processing equipment (“EDP”)	3 years
Leasehold improvements	5 years