Quarter Period Statement Of Income
| Concept | 2023-10-01 to 2023-12-31 | 2023-10-01 to 2023-12-31 | 2023-10-01 to 2023-12-31 | 2023-10-01 to 2023-12-31 | 2023-10-01 to 2023-12-31 | 2022-10-01 to 2022-12-31 | 2022-10-01 to 2022-12-31 | 2022-10-01 to 2022-12-31 | 2022-10-01 to 2022-12-31 | 2022-10-01 to 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period statement of income | ||||||||||
| Statement of income | ||||||||||
| Net sales | 
                                                206,284,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                214,618,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -19,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                233,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                347,850,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,548,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -24,988,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                404,399,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                379,410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | — | — | 
                                                133,316,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                166,652,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Gross profit (loss) | — | — | 
                                                81,302,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                212,757,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Selling, general and administrative expenses | — | — | 
                                                99,017,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                103,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Selling, general and administrative expenses | ||||||||||
| Operating profit (loss) | 
                                                61,097,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -13,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -17,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -65,661,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,946,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                177,124,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,646,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -64,073,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                173,478,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                109,405,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||
| Non-operating income | — | — | 
                                                1,040,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                5,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating expenses | ||||||||||
| Non-operating expenses | — | — | 
                                                163,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                235,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | — | — | 
                                                -16,837,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                109,174,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) before income taxes | — | — | 
                                                -16,837,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                109,174,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes - current | — | — | 
                                                153,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                18,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes - deferred | — | — | 
                                                -2,045,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                19,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Income taxes | — | — | 
                                                -1,892,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                37,359,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Profit (loss) | — | — | 
                                                -14,945,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                71,815,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |