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Consolidated Statements of Cash Flows - CHF (SFr)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Consolidated Statements of Cash Flows      
Net loss for the year SFr (10,556,227) SFr (20,804,213) SFr (15,351,914)
Adjustments for:      
Depreciation 305,952 323,144 347,613
Lease modifications related to right-of-use assets (318)   (127)
Value of share-based services 1,794,467 3,682,073 1,178,344
Post-employment benefits (62,643) (11,393) (150,464)
Finance cost/(income) net 312,602 215,527 (132,050)
Decrease in other financial assets 2,317 13,980 47,785
Decrease / (increase) in trade and other receivables 306,514 (252,090) (96,412)
Decrease / (increase) in contract asset 140,534 (21,805) (159,636)
Decrease / (increase) in prepayments 53,386 844,980 (616,992)
(Decrease) / increase in payables and accruals (613,205) (427,388) 883,837
Decrease in contract liability     (733,668)
(Decrease) / increase in deferred income 324,210   (86,481)
Services paid in shares     164,980
Net cash used in operating activities (7,992,411) (16,437,185) (14,705,185)
Cash flows from investing activities      
Purchase of property, plant and equipment (6,842) (581) (31,549)
Proceeds from decrease in non-current financial assets   3,553 1,236
Net cash from/(used in) investing activities (6,842) 2,972 (30,313)
Cash flows from financing activities      
Proceeds from capital increase     10,161,746
Costs / deferred costs paid on issue of shares     (1,698,782)
Proceeds from sale of treasury shares-shelf registration 1,159,759 1,224,893 3,763,284
Costs paid on sale of treasury shares-shelf registration (39,103) (304,009) (389,857)
Proceeds from sale of pre-funded warrants 3,382,259 2,841,270 5,470,141
Costs paid on sale of pre-funded warrants (141,822) (576,117) (569,228)
Proceeds from the exercise of pre-funded warrants 35,981 25,241  
Costs paid on exercise of pre-funded warrants (21,247)    
Sales under sale agency agreement & liquidity agreement movements 1,190,753 450,973 33,159
Costs paid on sale of treasury shares under sale agency agreement (8,948) (3,487) (332)
Cost paid on issue of treasury shares (53,600) (248,354)  
Principal element of lease payment (281,793) (288,076) (309,617)
Interest received 63,964 29,251 5,322
Interest paid (21,607) (48,897) (63,012)
Net cash from financing activities 5,264,596 3,102,688 16,402,824
Increase/(decrease) in cash and cash equivalents (2,734,657) (13,331,525) 1,667,326
Cash and cash equivalents at beginning of the year 6,957,086 20,484,836 18,695,040
Exchange difference on cash and cash equivalents (356,948) (196,225) 122,470
Cash and cash equivalents at end of the year SFr 3,865,481 SFr 6,957,086 SFr 20,484,836