3. Income Taxes (Details) - CHF (SFr) SFr in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
U.S. Federal statutory rates on net loss before income taxes	SFr (2,032)	SFr (1,004)
Effect of foreign statutory rate differences	61	(52)
Effect of exchange rate changes	(1,018)	(4,234)
Expiration/disallowance of net operating loss carry forwards	0	184
Permanent differences	76	(5)
Change in valuation allowance	2,902	5,156
Income tax provision	SFr (11)	SFr 45