Prepayments (Details) - CHF (SFr)	Dec. 31, 2019	Dec. 31, 2018
Subclassifications of assets, liabilities and equities [abstract]
Advance payments to supplier	SFr 40,461	SFr 212,207
Clinical projects and related activities	265,842
Insurance	114,016	139,076
Other	13,912
Total prepayments	SFr 434,231	SFr 351,283

The amount of current advances made to suppliers before goods or services are received.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2019-03-27

Name:	ifrs-full_CurrentAdvancesToSuppliers
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant