Annual report
3837.TEDINET S100YFRS
Period2025-04-01 → 2026-03-31
Filed2026-06-24
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 158
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥17.2bn | 2025-04-01 → 2026-03-31 | Cons. | Net sales |
| Revenue | ¥15.5bn | 2024-04-01 → 2025-03-31 | Cons. | Net sales |
| Revenue | ¥14.1bn | 2023-04-01 → 2024-03-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥12.8bn | 2022-04-01 → 2023-03-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥12.2bn | 2021-04-01 → 2022-03-31v | Cons. | Net sales (5-year summary) |
| Operating income | ¥2.1bn | 2025-04-01 → 2026-03-31 | Cons. | Operating income |
| Operating income | ¥1.7bn | 2024-04-01 → 2025-03-31 | Cons. | Operating income |
| Ordinary income | ¥2.2bn | 2025-04-01 → 2026-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥1.8bn | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥1.5bn | 2023-04-01 → 2024-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.2bn | 2022-04-01 → 2023-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.1bn | 2021-04-01 → 2022-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥2.2bn | 2025-04-01 → 2026-03-31 | Cons. | Income before income taxes |
| Profit before tax | ¥1.8bn | 2024-04-01 → 2025-03-31 | Cons. | Income before income taxes |
| Net income (owners) | ¥1.5bn | 2025-04-01 → 2026-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥1.2bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥979m | 2023-04-01 → 2024-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥841m | 2022-04-01 → 2023-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥785m | 2021-04-01 → 2022-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥1.5bn | 2025-04-01 → 2026-03-31 | Cons. | Profit loss |
| Net income | ¥1.2bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss |
| Total assets | ¥10.3bn | at 2026-03-31 | Cons. | Assets |
| Total assets | ¥9.9bn | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥10.2bn | at 2024-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥9.3bn | at 2023-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥8.1bn | at 2022-03-31v | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥3.3bn | at 2026-03-31 | Cons. | Liabilities |
| Total liabilities | ¥2.8bn | at 2025-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥6.9bn | at 2026-03-31 | Cons. | Net assets |
| Net assets / equity | ¥7.1bn | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥7.3bn | at 2024-03-31v | Cons. | Net assets |
| Net assets / equity | ¥6.7bn | at 2023-03-31v | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥6.0bn | at 2022-03-31v | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥2.9bn | at 2026-03-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥2.9bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥2.9bn | at 2026-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥2.9bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥3.8bn | at 2024-03-31v | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥3.4bn | at 2023-03-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥2.8bn | at 2022-03-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | ¥1.9bn | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥1.0bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥805m | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥1.0bn | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥1.8bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥14m | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥203m | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥71m | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥100m | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥241m | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | −¥1.8bn | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥1.7bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥365m | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥336m | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥410m | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥86.85 | 2025-04-01 → 2026-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥65.8 | 2024-04-01 → 2025-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥52.54 | 2023-04-01 → 2024-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥45.2 | 2022-04-01 → 2023-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥42.3 | 2021-04-01 → 2022-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥85.22 | 2025-04-01 → 2026-03-31 | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥64.76 | 2024-04-01 → 2025-03-31 | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥51.85 | 2023-04-01 → 2024-03-31v | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥44.66 | 2022-04-01 → 2023-03-31v | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥41.78 | 2021-04-01 → 2022-03-31v | Cons. | Diluted earnings per share (5-year summary) |
| Net assets per share | ¥400.32 | at 2026-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥395.19 | at 2025-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥383.51 | at 2024-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥351.98 | at 2023-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥314.76 | at 2022-03-31v | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 65.6% | at 2026-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 69.8% | at 2025-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 70.1% | at 2024-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 70.2% | at 2023-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 72.4% | at 2022-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 22.2% | 2025-04-01 → 2026-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 17.2% | 2024-04-01 → 2025-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 14.3% | 2023-04-01 → 2024-03-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 13.6% | 2022-04-01 → 2023-03-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 14.2% | 2021-04-01 → 2022-03-31v | Cons. | Rate of return on equity (5-year summary) |
| Employees | 645 | at 2026-03-31 | Cons. | Number of employees |
| Employees | 623 | at 2025-03-31 | Cons. | Number of employees |
| Employees | 606 | at 2024-03-31v | Cons. | Number of employees |
| Employees | 603 | at 2023-03-31v | Cons. | Number of employees |
| Employees | 592 | at 2022-03-31v | Cons. | Number of employees |
| Revenue | ¥17.1bn | 2025-04-01 → 2026-03-31 | Standalone | Net sales |
| Revenue | ¥15.5bn | 2024-04-01 → 2025-03-31 | Standalone | Net sales |
| Revenue | ¥14.1bn | 2023-04-01 → 2024-03-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥12.8bn | 2022-04-01 → 2023-03-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥12.2bn | 2021-04-01 → 2022-03-31v | Standalone | Net sales (5-year summary) |
| Operating income | ¥2.1bn | 2025-04-01 → 2026-03-31 | Standalone | Operating income |
| Operating income | ¥1.7bn | 2024-04-01 → 2025-03-31 | Standalone | Operating income |
| Ordinary income | ¥2.2bn | 2025-04-01 → 2026-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥1.8bn | 2024-04-01 → 2025-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥1.5bn | 2023-04-01 → 2024-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.2bn | 2022-04-01 → 2023-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.1bn | 2021-04-01 → 2022-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥2.2bn | 2025-04-01 → 2026-03-31 | Standalone | Income before income taxes |
| Profit before tax | ¥1.8bn | 2024-04-01 → 2025-03-31 | Standalone | Income before income taxes |
| Net income | ¥1.5bn | 2025-04-01 → 2026-03-31 | Standalone | Profit loss |
| Net income | ¥1.2bn | 2024-04-01 → 2025-03-31 | Standalone | Profit loss |
| Net income | ¥971m | 2023-04-01 → 2024-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | ¥836m | 2022-04-01 → 2023-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | ¥765m | 2021-04-01 → 2022-03-31v | Standalone | Net income loss (5-year summary) |
| Total assets | ¥10.2bn | at 2026-03-31 | Standalone | Assets |
| Total assets | ¥9.9bn | at 2025-03-31 | Standalone | Assets |
| Total assets | ¥10.2bn | at 2024-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥9.3bn | at 2023-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥8.1bn | at 2022-03-31v | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥3.3bn | at 2026-03-31 | Standalone | Liabilities |
| Total liabilities | ¥2.8bn | at 2025-03-31 | Standalone | Liabilities |
| Net assets / equity | ¥6.9bn | at 2026-03-31 | Standalone | Net assets |
| Net assets / equity | ¥7.1bn | at 2025-03-31 | Standalone | Net assets |
| Net assets / equity | ¥7.3bn | at 2024-03-31v | Standalone | Net assets |
| Net assets / equity | ¥6.7bn | at 2023-03-31v | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥6.0bn | at 2022-03-31v | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥2.8bn | at 2026-03-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥2.8bn | at 2025-03-31 | Standalone | Cash and deposits |
| EPS (basic) | ¥85.88 | 2025-04-01 → 2026-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥65.72 | 2024-04-01 → 2025-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥52.08 | 2023-04-01 → 2024-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥44.9 | 2022-04-01 → 2023-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥41.2 | 2021-04-01 → 2022-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥84.27 | 2025-04-01 → 2026-03-31 | Standalone | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥64.68 | 2024-04-01 → 2025-03-31 | Standalone | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥51.4 | 2023-04-01 → 2024-03-31v | Standalone | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥44.36 | 2022-04-01 → 2023-03-31v | Standalone | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥40.7 | 2021-04-01 → 2022-03-31v | Standalone | Diluted earnings per share (5-year summary) |
| Dividend per share | ¥46 | 2025-04-01 → 2026-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥60 | 2024-04-01 → 2025-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥43 | 2023-04-01 → 2024-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥38 | 2022-04-01 → 2023-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥36 | 2021-04-01 → 2022-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥398.81 | at 2026-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥394.7 | at 2025-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥383.13 | at 2024-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥352.06 | at 2023-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥315.14 | at 2022-03-31v | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 65.6% | at 2026-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 69.8% | at 2025-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 70.2% | at 2024-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 70.3% | at 2023-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 72.5% | at 2022-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 22.0% | 2025-04-01 → 2026-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 17.2% | 2024-04-01 → 2025-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 14.2% | 2023-04-01 → 2024-03-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 13.5% | 2022-04-01 → 2023-03-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 13.8% | 2021-04-01 → 2022-03-31v | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 17,289,000 | at 2026-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 8,944,000 | at 2025-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 9,394,000 | at 2024-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 9,390,000 | at 2023-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 9,390,000 | at 2022-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Employees | 640 | at 2026-03-31 | Standalone | Number of employees |
| Employees | 616 | at 2025-03-31 | Standalone | Number of employees |
| Employees | 600 | at 2024-03-31v | Standalone | Number of employees |
| Employees | 599 | at 2023-03-31v | Standalone | Number of employees |
| Employees | 589 | at 2022-03-31v | 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 · 43
| Segment | Item | Period | Value |
|---|---|---|---|
| Reconciling Itemsreconciling | capex | 2025-04-01 → 2026-03-31 | ¥8m |
| Reconciling Itemsreconciling | depreciation | 2025-04-01 → 2026-03-31 | ¥87m |
| Reconciling Itemsreconciling | segment assets | at 2026-03-31 | ¥6.2bn |
| Reconciling Itemsreconciling | segment profit | 2025-04-01 → 2026-03-31 | −¥2.1bn |
| Advanced Industry Businessreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥61m |
| Advanced Industry Businessreportable segment | employees | at 2026-03-31 | 197 pure |
| Advanced Industry Businessreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥6.0bn |
| Advanced Industry Businessreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥6.0bn |
| Advanced Industry Businessreportable segment | segment assets | at 2026-03-31 | ¥1.1bn |
| Advanced Industry Businessreportable segment | segment profit | 2025-04-01 → 2026-03-31 | ¥1.6bn |
| Social Infrastructure Businessreportable segment | employees | at 2026-03-31 | 397 pure |
| Social Infrastructure Businessreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥11.2bn |
| Social Infrastructure Businessreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥11.2bn |
| Social Infrastructure Businessreportable segment | segment assets | at 2026-03-31 | ¥2.9bn |
| Social Infrastructure Businessreportable segment | segment profit | 2025-04-01 → 2026-03-31 | ¥2.7bn |
| —segment total | employees | at 2026-03-31 | 594 pure |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2025-04-01 → 2026-03-31 | ¥61m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-04-01 → 2026-03-31 | ¥17.2bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-04-01 → 2026-03-31 | ¥17.2bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2026-03-31 | ¥4.0bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2025-04-01 → 2026-03-31 | ¥4.3bn |
| Reconciling Itemsreconciling | capex | 2024-04-01 → 2025-03-31 | ¥101m |
| Reconciling Itemsreconciling | depreciation | 2024-04-01 → 2025-03-31 | ¥86m |
| Reconciling Itemsreconciling | segment assets | at 2025-03-31 | ¥6.1bn |
| Reconciling Itemsreconciling | segment profit | 2024-04-01 → 2025-03-31 | −¥1.7bn |
| Advanced Industry Businessreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥61m |
| Advanced Industry Businessreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥5.7bn |
| Advanced Industry Businessreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥5.7bn |
| Advanced Industry Businessreportable segment | segment assets | at 2025-03-31 | ¥1.3bn |
| Advanced Industry Businessreportable segment | segment profit | 2024-04-01 → 2025-03-31 | ¥1.3bn |
| Social Infrastructure Businessreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥34,000 |
| Social Infrastructure Businessreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥9.7bn |
| Social Infrastructure Businessreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥9.7bn |
| Social Infrastructure Businessreportable segment | segment assets | at 2025-03-31 | ¥2.6bn |
| Social Infrastructure Businessreportable segment | segment profit | 2024-04-01 → 2025-03-31 | ¥2.1bn |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2024-04-01 → 2025-03-31 | ¥61m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-04-01 → 2025-03-31 | ¥15.5bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-04-01 → 2025-03-31 | ¥15.5bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2025-03-31 | ¥3.8bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2024-04-01 → 2025-03-31 | ¥3.4bn |
| Advanced Industry Businessreportable segment | employees | at 2026-03-31 | 194 pure |
| Social Infrastructure Businessreportable segment | employees | at 2026-03-31 | 395 pure |
| —segment total | employees | at 2026-03-31 | 589 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,523
| Item | Context | Value | Unit |
|---|---|---|---|
| Revenues from external customers | CurrentYearDuration | 17151415000 | JPY |
| Transactions with other segments | CurrentYearDuration_jpcrp030000-asr_E05664-000SocialInfrastructureBusinessReportableSegmentsMember | － | JPY |
| Transactions with other segments | CurrentYearDuration_jpcrp030000-asr_E05664-000AdvancedIndustryBusinessReportableSegmentsMember | － | JPY |
| Transactions with other segments | CurrentYearDuration_TotalOfReportableSegmentsAndOthersMember | － | JPY |
| Transactions with other segments | CurrentYearDuration_ReconcilingItemsMember | － | JPY |
| Transactions with other segments | CurrentYearDuration | － | JPY |
| Net sales | CurrentYearDuration_jpcrp030000-asr_E05664-000SocialInfrastructureBusinessReportableSegmentsMember | 11183349000 | JPY |
| Net sales | CurrentYearDuration_jpcrp030000-asr_E05664-000AdvancedIndustryBusinessReportableSegmentsMember | 5968066000 | JPY |
| Net sales | CurrentYearDuration_TotalOfReportableSegmentsAndOthersMember | 17151415000 | JPY |
| Net sales | CurrentYearDuration_ReconcilingItemsMember | － | JPY |
| Net sales | CurrentYearDuration | 17151415000 | JPY |
| Operating income | CurrentYearDuration_jpcrp030000-asr_E05664-000SocialInfrastructureBusinessReportableSegmentsMember | 2707967000 | JPY |
| Operating income | CurrentYearDuration_jpcrp030000-asr_E05664-000AdvancedIndustryBusinessReportableSegmentsMember | 1553790000 | JPY |
| Operating income | CurrentYearDuration_TotalOfReportableSegmentsAndOthersMember | 4261757000 | JPY |
| Operating income | CurrentYearDuration_ReconcilingItemsMember | -2116658000 | JPY |
| Operating income | CurrentYearDuration | 2145099000 | JPY |
| Assets | CurrentYearInstant_jpcrp030000-asr_E05664-000SocialInfrastructureBusinessReportableSegmentsMember | 2934849000 | JPY |
| Assets | CurrentYearInstant_jpcrp030000-asr_E05664-000AdvancedIndustryBusinessReportableSegmentsMember | 1110787000 | JPY |
| Assets | CurrentYearInstant_TotalOfReportableSegmentsAndOthersMember | 4045637000 | JPY |
| Assets | CurrentYearInstant_ReconcilingItemsMember | 6228370000 | JPY |
| Assets | CurrentYearInstant | 10274008000 | JPY |
| Depreciation segment information | CurrentYearDuration_jpcrp030000-asr_E05664-000SocialInfrastructureBusinessReportableSegmentsMember | － | JPY |
| Depreciation segment information | CurrentYearDuration_jpcrp030000-asr_E05664-000AdvancedIndustryBusinessReportableSegmentsMember | 60750000 | JPY |
| Depreciation segment information | CurrentYearDuration_TotalOfReportableSegmentsAndOthersMember | 60750000 | JPY |
| Depreciation segment information | CurrentYearDuration_ReconcilingItemsMember | 87278000 | JPY |
| Depreciation segment information | CurrentYearDuration | 148028000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_jpcrp030000-asr_E05664-000SocialInfrastructureBusinessReportableSegmentsMember | － | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_jpcrp030000-asr_E05664-000AdvancedIndustryBusinessReportableSegmentsMember | － | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_TotalOfReportableSegmentsAndOthersMember | － | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_ReconcilingItemsMember | 7992000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration | 7992000 | JPY |
| Cash and deposits | Prior1YearInstant_NonConsolidatedMember | 2790755000 | JPY |
| Cash and deposits | CurrentYearInstant_NonConsolidatedMember | 2827419000 | JPY |
| Electronically recorded monetary claims operating ca | Prior1YearInstant_NonConsolidatedMember | 55888000 | JPY |
| Electronically recorded monetary claims operating ca | CurrentYearInstant_NonConsolidatedMember | 115607000 | JPY |
| Accounts receivable trade | Prior1YearInstant_NonConsolidatedMember | 3082156000 | JPY |
| Accounts receivable trade | CurrentYearInstant_NonConsolidatedMember | 3054401000 | JPY |
| Contract assets | Prior1YearInstant_NonConsolidatedMember | 459475000 | JPY |
| Contract assets | CurrentYearInstant_NonConsolidatedMember | 732141000 | JPY |
| Work in process | Prior1YearInstant_NonConsolidatedMember | 53296000 | JPY |
| Work in process | CurrentYearInstant_NonConsolidatedMember | 22044000 | JPY |
| Raw materials and supplies | Prior1YearInstant_NonConsolidatedMember | 1332000 | JPY |
| Raw materials and supplies | CurrentYearInstant_NonConsolidatedMember | 1023000 | JPY |
| Prepaid expenses | Prior1YearInstant_NonConsolidatedMember | 136340000 | JPY |
| Prepaid expenses | CurrentYearInstant_NonConsolidatedMember | 121323000 | JPY |
| Other ca | Prior1YearInstant_NonConsolidatedMember | 11121000 | JPY |
| Other ca | CurrentYearInstant_NonConsolidatedMember | 9463000 | JPY |
| Allowance for doubtful accounts ca | Prior1YearInstant_NonConsolidatedMember | -800000 | JPY |
| Allowance for doubtful accounts ca | CurrentYearInstant_NonConsolidatedMember | -800000 | JPY |
| Current assets | Prior1YearInstant_NonConsolidatedMember | 6589567000 | JPY |
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 rounding |
| balance sheet identity | pass rounding |
| 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 |