Share Capital, Share Premium and Treasury Shares (Tables)

12 Months Ended

Dec. 31, 2022

Disclosure Of Share Capital Share Premium And Treasury Shares [Abstract]

Schedule of Activities for Share Capital and Share Premium Accounts

The activities for share capital and share premium accounts in 2020, 2021 and 2022 are as follows:

	number of shares				in CHF thousands
	Common shares		Restricted stock awards		Share capital		Share premium
Balance as of December 31, 2019		2,315,045		571,783		289		9,476
Issuance of shares		-		80,327		8		149
Transaction costs		-		-		-		(15	)
Balance as of December 31, 2020		2,315,045		652,110		297		9,609
Issuance of shares		-		386,116		39		837
Transaction costs		-		-		-		(12	)
Balance as of December 31, 2021		2,315,045		1,038,226		335		10,434
Stock options exercised		53,500		-		5		115
Transaction costs		-		-		-		(9	)
Balance as of December 31, 2022		2,368,545		1,038,226		340		10,540