Research and Development Expense (Details) - CHF (SFr)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Research and Development Expense [Abstract]
Pre-clinical projects	SFr 182,346	SFr 873,453	SFr 642,821
Clinical projects	993,085	846,235	12,365,768
Drug manufacturing and substance	481,453	2,185,292	2,027,184
Employee benefits and expenses	1,373,543	1,652,791	2,773,516
Lease expenses from short-term lease	26,057	65,921	111,680
Patents and trademarks	168,367	634,986	603,892
Regulatory projects	80,347	398,426	632,387
Depreciation tangible assets	20,083	32,485	53,594
Total research and development expense	SFr 3,325,281	SFr 6,689,589	SFr 19,210,842

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 730
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373

Name:	us-gaap_ResearchAndDevelopmentExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration