Consolidated Statement Of Income
| Concept | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2024-01-01 to 2024-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 2023-01-01 to 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||||
| Statement of income | ||||||||||
| Net sales | 
                                                129,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                129,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                129,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                169,404,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                169,404,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                169,404,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | — | — | 
                                                72,645,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                73,464,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||
| Selling, general and administrative expenses | — | — | 
                                                379,154,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                321,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other | — | — | 
                                                132,749,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                128,297,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating expenses | ||||||||||
| Operating expenses | ||||||||||
| Research and development expenses | — | — | 
                                                246,405,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                193,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Operating profit (loss) | 
                                                -189,406,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -132,749,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -322,155,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -246,405,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -97,697,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -128,297,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -193,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -225,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                95,940,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit (loss) | — | — | 
                                                56,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                95,940,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Ordinary profit (loss) | — | — | 
                                                -303,019,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -227,433,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net sales | ||||||||||
| Cost of sales | ||||||||||
| Selling, general and administrative expenses | ||||||||||
| Non-operating income | ||||||||||
| Interest income | — | — | 
                                                6,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                8,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other | — | — | 
                                                695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                364,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating income | — | — | 
                                                21,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                428,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary income | — | — | 
                                                248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | ||||||||||
| Interest expenses | — | — | 
                                                568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Non-operating expenses | — | — | 
                                                1,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Share issuance costs | — | — | 
                                                1,303,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                875,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Gross profit | ||||||||||
| Profit (loss) before income taxes | — | — | 
                                                -302,771,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -226,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Extraordinary income | ||||||||||
| Gain on sale of non-current assets | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                73,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes - current | — | — | 
                                                1,252,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,252,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes | — | — | 
                                                1,252,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,252,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) | — | — | 
                                                -304,024,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -227,683,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |