Pensions and Other Post Employment Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2022

Disclosure of information about defined benefit plans [abstract]

Summary of Components of Net Benefit Expense

The following tables summarize the components of net benefit expense recognized in the income statement, amounts recognized in the balance sheet and gains/(losses) recognized in other comprehensive loss.

in CHF thousands	For the Years Ended December 31,
Actuarial gains / (losses) recognized in other comprehensive loss:	2022		2021
On plan assets		26		18
On obligation		718		70
Total		744		88

in CHF thousands	For the Years Ended December 31,
Net benefit expense (recognized in personnel costs):	2022			2021
Current service cost		(446	)		(296	)
Interest cost on benefit obligation		(31	)		(8	)
Interest income		26			6
Impact of plan changes		37			151
Administration cost		(6	)		(3	)
Net benefit income / (expense)		(420	)		(150	)

in CHF thousands	As of December 31,
Benefit asset / (liability)	2022			2021
Defined benefit obligation		(6,494	)		(5,666	)
Fair value of plan assets		6,403			4,821
Net benefit asset / (liability)		(91	)		(845	)

Changes in Present Value of Defined Benefit Obligation

Changes in the present value of the defined benefit obligation are as follows:

	For the Years Ended December 31,
in CHF thousands	2022			2021
Defined benefit obligation at 1 January		(5,666	)		(5,231	)
Interest cost		(31	)		(8	)
Current service cost		(446	)		(296	)
Administrative expenses		(6	)		(3	)
Contributions paid by participants		(1,686	)		(1,702	)
Employees' contributions		(185	)		(126	)
Benefits deposited		770			1,479
Impact of plan changes		37			151
Actuarial gain on obligation		718			70
Defined benefit obligation at December 31,		(6,494	)		(5,666	)

Changes in the Fair Value of Plan Assets

Changes in the fair value of plan assets are as follows:

	For the Years Ended December 31,
in CHF thousands	2022			2021
Fair value of plan assets at 1 January		4,821			4,159
Expected return		26			6
Contributions by employer		429			289
Contributions by employees		185			126
Benefits paid from plan assets		(770	)		(1,479	)
Contributions paid by participants		1,686			1,702
Actuarial gains / (losses)		26			18
Fair value of plan assets at December 31,		6,403			4,821

Summary of Principal Assumptions used in Determining Pension Benefit Obligations for Group's Plan

The principal assumptions used in determining pension benefit obligations for the Group's plan are shown below:

	As of December 31,
		2022		2021
Discount rate		2.30	%		0.35	%
Future salary increases		1.20	%		1.00	%
Future pensions increases		0.00	%		0.00	%
Retirement age	M65/W64			M65/W64
Demographic assumptions	BVG 2020 GT			BVG 2020 GT

Schedule of Quantitative Sensitivity Analysis for Significant Assumptions

A quantitative sensitivity analysis for significant assumptions as of December 31, 2022 and 2021 is shown below:

in CHF thousands	Discount rate						Future salary increase						Mortality assumptions
Assumptions as of December 31, 2022	+0.25%			-0.25%			+0.50%			-0.50%			+1 year			-1 year
Potential defined benefit obligation		(6,274	)		(6,741	)		(6,527	)		(6,462	)		(6,553	)		(6,429	)
Decrease / (increase) from actual defined benefit obligation		221			(247	)		(32	)		32			(58	)		65
Assumptions as of December 31, 2021	+0.25%			-0.25%			+0.50%			-0.50%			+1 year			-1 year
Potential defined benefit obligation		(5,442	)		(5,922	)		(5,681	)		(5,652	)		(5,750	)		(5,614	)
Decrease / (increase) from actual defined benefit obligation		224			(256	)		(15	)		14			(84	)		52