Annual report
7018.TEDINET S100W785
Period2024-04-01 → 2025-03-31
Filed2025-06-27
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 145
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥44.6bn | 2024-04-01 → 2025-03-31 | Cons. | Net sales |
| Revenue | ¥46.4bn | 2023-04-01 → 2024-03-31 | Cons. | Net sales |
| Revenue | ¥37.6bn | 2022-04-01 → 2023-03-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥33.0bn | 2021-04-01 → 2022-03-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥31.1bn | 2020-04-01 → 2021-03-31d | Cons. | Net sales (5-year summary) |
| Operating income | ¥1.4bn | 2024-04-01 → 2025-03-31 | Cons. | Operating income |
| Operating income | ¥3.2bn | 2023-04-01 → 2024-03-31 | Cons. | Operating income |
| Ordinary income | ¥1.2bn | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥3.1bn | 2023-04-01 → 2024-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥638m | 2022-04-01 → 2023-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥423m | 2021-04-01 → 2022-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | −¥862m | 2020-04-01 → 2021-03-31d | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥1.1bn | 2024-04-01 → 2025-03-31 | Cons. | Income before income taxes |
| Profit before tax | ¥2.5bn | 2023-04-01 → 2024-03-31 | Cons. | Income before income taxes |
| Net income (owners) | ¥1.0bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥2.3bn | 2023-04-01 → 2024-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥737m | 2022-04-01 → 2023-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥143m | 2021-04-01 → 2022-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | −¥971m | 2020-04-01 → 2021-03-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥1.0bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss |
| Net income | ¥2.3bn | 2023-04-01 → 2024-03-31 | Cons. | Profit loss |
| Total assets | ¥42.5bn | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥43.8bn | at 2024-03-31 | Cons. | Assets |
| Total assets | ¥40.2bn | at 2023-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥36.8bn | at 2022-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥34.0bn | at 2021-03-31d | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥31.6bn | at 2025-03-31 | Cons. | Liabilities |
| Total liabilities | ¥34.1bn | at 2024-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥10.9bn | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥9.7bn | at 2024-03-31 | Cons. | Net assets |
| Net assets / equity | ¥7.4bn | at 2023-03-31v | Cons. | Net assets |
| Net assets / equity | ¥6.8bn | at 2022-03-31v | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥6.8bn | at 2021-03-31d | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥4.7bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥14.8bn | at 2024-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥4.5bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥14.6bn | at 2024-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥9.1bn | at 2023-03-31v | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥16.1bn | at 2022-03-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥7.3bn | at 2021-03-31d | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | −¥5.4bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥6.7bn | 2023-04-01 → 2024-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | −¥6.4bn | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥10.8bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | −¥4.1bn | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥1.2bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥824m | 2023-04-01 → 2024-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥249m | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥1.7bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥1.5bn | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | −¥3.4bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥528m | 2023-04-01 → 2024-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥359m | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥278m | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | ¥1.7bn | 2020-04-01 → 2021-03-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥600.56 | 2024-04-01 → 2025-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥1,333.94 | 2023-04-01 → 2024-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥435.07 | 2022-04-01 → 2023-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥84.49 | 2021-04-01 → 2022-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-573.17 | 2020-04-01 → 2021-03-31d | Cons. | Basic earnings loss per share (5-year summary) |
| Net assets per share | ¥6,406.35 | at 2025-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥5,749.06 | at 2024-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥4,383.2 | at 2023-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥4,006.96 | at 2022-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥3,996.82 | at 2021-03-31d | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 25.6% | at 2025-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 22.2% | at 2024-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 18.5% | at 2023-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 18.4% | at 2022-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 19.9% | at 2021-03-31d | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 9.9% | 2024-04-01 → 2025-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 26.3% | 2023-04-01 → 2024-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 10.4% | 2022-04-01 → 2023-03-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 2.1% | 2021-04-01 → 2022-03-31v | Cons. | Rate of return on equity (5-year summary) |
| Employees | 606 | at 2025-03-31 | Cons. | Number of employees |
| Employees | 628 | at 2024-03-31 | Cons. | Number of employees |
| Employees | 654 | at 2023-03-31v | Cons. | Number of employees |
| Employees | 664 | at 2022-03-31v | Cons. | Number of employees |
| Employees | 672 | at 2021-03-31d | Cons. | Number of employees |
| Revenue | ¥44.1bn | 2024-04-01 → 2025-03-31 | Standalone | Net sales |
| Revenue | ¥45.9bn | 2023-04-01 → 2024-03-31 | Standalone | Net sales |
| Revenue | ¥37.1bn | 2022-04-01 → 2023-03-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥32.5bn | 2021-04-01 → 2022-03-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥30.6bn | 2020-04-01 → 2021-03-31d | Standalone | Net sales (5-year summary) |
| Operating income | ¥1.4bn | 2024-04-01 → 2025-03-31 | Standalone | Operating income |
| Operating income | ¥3.2bn | 2023-04-01 → 2024-03-31 | Standalone | Operating income |
| Ordinary income | ¥1.2bn | 2024-04-01 → 2025-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥3.1bn | 2023-04-01 → 2024-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥628m | 2022-04-01 → 2023-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥403m | 2021-04-01 → 2022-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | −¥880m | 2020-04-01 → 2021-03-31d | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥1.1bn | 2024-04-01 → 2025-03-31 | Standalone | Income before income taxes |
| Profit before tax | ¥2.5bn | 2023-04-01 → 2024-03-31 | Standalone | Income before income taxes |
| Net income | ¥1.0bn | 2024-04-01 → 2025-03-31 | Standalone | Profit loss |
| Net income | ¥2.3bn | 2023-04-01 → 2024-03-31 | Standalone | Profit loss |
| Net income | ¥733m | 2022-04-01 → 2023-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | ¥129m | 2021-04-01 → 2022-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | −¥979m | 2020-04-01 → 2021-03-31d | Standalone | Net income loss (5-year summary) |
| Total assets | ¥42.1bn | at 2025-03-31 | Standalone | Assets |
| Total assets | ¥43.6bn | at 2024-03-31 | Standalone | Assets |
| Total assets | ¥40.0bn | at 2023-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥36.5bn | at 2022-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥33.8bn | at 2021-03-31d | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥31.5bn | at 2025-03-31 | Standalone | Liabilities |
| Total liabilities | ¥33.8bn | at 2024-03-31 | Standalone | Liabilities |
| Net assets / equity | ¥10.6bn | at 2025-03-31 | Standalone | Net assets |
| Net assets / equity | ¥9.8bn | at 2024-03-31 | Standalone | Net assets |
| Net assets / equity | ¥7.5bn | at 2023-03-31v | Standalone | Net assets |
| Net assets / equity | ¥6.9bn | at 2022-03-31v | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥6.9bn | at 2021-03-31d | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥4.5bn | at 2025-03-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥14.6bn | at 2024-03-31 | Standalone | Cash and deposits |
| EPS (basic) | ¥597.2 | 2024-04-01 → 2025-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥1,329.27 | 2023-04-01 → 2024-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥432.42 | 2022-04-01 → 2023-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥76.15 | 2021-04-01 → 2022-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-577.89 | 2020-04-01 → 2021-03-31d | Standalone | Basic earnings loss per share (5-year summary) |
| Dividend per share | ¥40 | 2024-04-01 → 2025-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥100 | 2023-04-01 → 2024-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥40 | 2022-04-01 → 2023-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥20 | 2021-04-01 → 2022-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥6,273.33 | at 2025-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥5,769.61 | at 2024-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥4,423.62 | at 2023-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥4,053.17 | at 2022-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥4,059.55 | at 2021-03-31d | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 25.2% | at 2025-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 22.4% | at 2024-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 18.8% | at 2023-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 18.8% | at 2022-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 20.4% | at 2021-03-31d | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 9.9% | 2024-04-01 → 2025-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 26.1% | 2023-04-01 → 2024-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 10.2% | 2022-04-01 → 2023-03-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 1.9% | 2021-04-01 → 2022-03-31v | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 2,253,000 | at 2025-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 2,253,000 | at 2024-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 2,253,000 | at 2023-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 2,253,000 | at 2022-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 2,253,000 | at 2021-03-31d | Standalone | Total number of issued shares (5-year summary) |
| Employees | 555 | at 2025-03-31 | Standalone | Number of employees |
| Employees | 575 | at 2024-03-31 | Standalone | Number of employees |
| Employees | 599 | at 2023-03-31v | Standalone | Number of employees |
| Employees | 610 | at 2022-03-31v | Standalone | Number of employees |
| Employees | 616 | at 2021-03-31d | Standalone | Number of employees |
Periods use the dates stated in the filing. d = earlier-year period dated by calendar; v = that date confirmed by the company's own earlier filing.
Segments · 45
| Segment | Item | Period | Value |
|---|---|---|---|
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | capex | 2024-04-01 → 2025-03-31 | ¥30m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | depreciation | 2024-04-01 → 2025-03-31 | ¥34m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2024-04-01 → 2025-03-31 | ¥1.1bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2024-04-01 → 2025-03-31 | ¥539m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥553m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment assets | at 2025-03-31 | ¥1.2bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment profit | 2024-04-01 → 2025-03-31 | ¥15m |
| Otherother segments | employees | at 2025-03-31 | 46 pure |
| Ship Businessreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥1.4bn |
| Ship Businessreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥719m |
| Ship Businessreportable segment | employees | at 2025-03-31 | 526 pure |
| Ship Businessreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥44.1bn |
| Ship Businessreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥44.1bn |
| Ship Businessreportable segment | segment assets | at 2025-03-31 | ¥31.7bn |
| Ship Businessreportable segment | segment profit | 2024-04-01 → 2025-03-31 | ¥2.5bn |
| —segment total | employees | at 2025-03-31 | 526 pure |
| Total Of Reportable Segments And Otherssegment total | capex | 2024-04-01 → 2025-03-31 | ¥1.4bn |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2024-04-01 → 2025-03-31 | ¥753m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-04-01 → 2025-03-31 | ¥45.2bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-04-01 → 2025-03-31 | ¥44.6bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2024-04-01 → 2025-03-31 | ¥553m |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2025-03-31 | ¥32.9bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2024-04-01 → 2025-03-31 | ¥2.5bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | capex | 2023-04-01 → 2024-03-31 | ¥27m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | depreciation | 2023-04-01 → 2024-03-31 | ¥32m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2023-04-01 → 2024-03-31 | ¥1.1bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2023-04-01 → 2024-03-31 | ¥435m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue intersegment | 2023-04-01 → 2024-03-31 | ¥643m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment assets | at 2024-03-31 | ¥1.2bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment profit | 2023-04-01 → 2024-03-31 | ¥0 |
| Ship Businessreportable segment | capex | 2023-04-01 → 2024-03-31 | ¥581m |
| Ship Businessreportable segment | depreciation | 2023-04-01 → 2024-03-31 | ¥693m |
| Ship Businessreportable segment | revenue | 2023-04-01 → 2024-03-31 | ¥45.9bn |
| Ship Businessreportable segment | revenue external | 2023-04-01 → 2024-03-31 | ¥45.9bn |
| Ship Businessreportable segment | segment assets | at 2024-03-31 | ¥21.7bn |
| Ship Businessreportable segment | segment profit | 2023-04-01 → 2024-03-31 | ¥4.2bn |
| Total Of Reportable Segments And Otherssegment total | capex | 2023-04-01 → 2024-03-31 | ¥608m |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2023-04-01 → 2024-03-31 | ¥726m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2023-04-01 → 2024-03-31 | ¥47.0bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2023-04-01 → 2024-03-31 | ¥46.4bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2023-04-01 → 2024-03-31 | ¥643m |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2024-03-31 | ¥22.9bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2023-04-01 → 2024-03-31 | ¥4.2bn |
| Ship Businessreportable segment | employees | at 2025-03-31 | 523 pure |
| —segment total | employees | at 2025-03-31 | 523 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,445
| Item | Context | Value | Unit |
|---|---|---|---|
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_RetainedEarningsMember | 842000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_TreasuryStockMember | -0 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember | 842000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_CapitalStockMember | 1200000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_LegalCapitalSurplusMember | 416000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_OtherCapitalSurplusMember | 255000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_CapitalSurplusMember | 672000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_RetainedEarningsBroughtForwardMember | 9008000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_RetainedEarningsMember | 9008000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_TreasuryStockMember | -2018000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ShareholdersEquityMember | 8863000000 | JPY |
| Net assets | Prior1YearInstant_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | 178000000 | JPY |
| Net assets | Prior1YearInstant_NonConsolidatedMember_DeferredGainsOrLossesOnHedgesMember | -5000000 | JPY |
| Net assets | Prior1YearInstant_NonConsolidatedMember_RevaluationReserveForLandMember | 1585000000 | JPY |
| Net assets | Prior1YearInstant_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | 1758000000 | JPY |
| Net assets | Prior1YearInstant_NonConsolidatedMember | 9779000000 | JPY |
| Dividends from surplus | CurrentYearDuration_NonConsolidatedMember | -169000000 | JPY |
| Profit loss | CurrentYearDuration_NonConsolidatedMember | 1012000000 | JPY |
| Purchase of treasury stock | CurrentYearDuration_NonConsolidatedMember | -0 | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | 29000000 | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember_DeferredGainsOrLossesOnHedgesMember | 5000000 | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember_RevaluationReserveForLandMember | -23000000 | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | 10000000 | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember | 10000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | 29000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_DeferredGainsOrLossesOnHedgesMember | 5000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_RevaluationReserveForLandMember | -23000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | 10000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember | 852000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | 207000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_DeferredGainsOrLossesOnHedgesMember | － | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_RevaluationReserveForLandMember | 1561000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | 1768000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember | 10631000000 | JPY |
| Directors compensations sga | Prior1YearDuration_NonConsolidatedMember | 121000000 | JPY |
| Directors compensations sga | CurrentYearDuration_NonConsolidatedMember | 155000000 | JPY |
| Salaries and allowances sga | Prior1YearDuration_NonConsolidatedMember | 318000000 | JPY |
| Salaries and allowances sga | CurrentYearDuration_NonConsolidatedMember | 291000000 | JPY |
| Business consignment expenses sga | Prior1YearDuration_NonConsolidatedMember | 128000000 | JPY |
| Business consignment expenses sga | CurrentYearDuration_NonConsolidatedMember | 143000000 | JPY |
| Depreciation sga | Prior1YearDuration_NonConsolidatedMember | 118000000 | JPY |
| Depreciation sga | CurrentYearDuration_NonConsolidatedMember | 95000000 | JPY |
| Document title cover page | FilingDateInstant | Original text (Japanese)有価証券報告書 | |
| Clause of stipulation cover page | FilingDateInstant | Original text (Japanese)金融商品取引法第24条第1項 | |
| Place of filing cover page | FilingDateInstant | Original text (Japanese)中国財務局長 | |
| Filing date cover page | FilingDateInstant | 2025-06-27 | |
| Fiscal year cover page | FilingDateInstant | Original text (Japanese)第100期（自 2024年４月１日 至 2025年３月31日） | |
| Company name cover page | FilingDateInstant | Original text (Japanese)内海造船株式会社 | |
| Company name in english cover page | FilingDateInstant | Naikai Zosen Corporation | |
| Title and name of representative cover page | FilingDateInstant | Original text (Japanese)代表取締役社長 寺尾 弘志 |
Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.
Data checks · 24 of 24 passed
| balance sheet identity | pass |
| balance sheet identity | pass |
| balance sheet identity | pass |
| balance sheet identity | pass rounding |
| dei present | pass |
| period resolution | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |