OTHER INTANGIBLE ASSETS, NET (Details Narrative) - JPY (¥) |
6 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Intangible Asset, Finite-Lived [Line Items] | |||
| Amortization expense | ¥ 1,900,000 | ¥ 1,800,000 | ¥ 1,900,000 |
| Intangible assets, impairment loss | ¥ 0 | ¥ 0 | ¥ 0 |
| Software [Member] | Minimum [Member] | |||
| Intangible Asset, Finite-Lived [Line Items] | |||
| Useful lives | 3 years | ||
| Software [Member] | Maximum [Member] | |||
| Intangible Asset, Finite-Lived [Line Items] | |||
| Useful lives | 5 years | ||
| Trademark [Member] | |||
| Intangible Asset, Finite-Lived [Line Items] | |||
| Useful lives | 10 years | ||
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- Definition Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of impairment loss for finite- and indefinite-lived intangible assets and capitalized cost for software to be sold, leased, or marketed. Excludes goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Useful life of property, plant, and equipment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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