Cash and cash equivalents (Tables)

12 Months Ended

Dec. 31, 2017

Cash and cash equivalents [Abstract]

Cash and cash equivalents

	For the Years Ended December 31,
in CHF thousands	2017		2016
Cash		124,377		152,210
Total		124,377		152,210
By Currency
CHF		103,272		41,322
EUR		3,658		6,727
USD		17,447		104,161
Total		124,377		152,210