Annual report
9170.TEDINET S100SJ61
Period2022-10-01 → 2023-09-30
Filed2023-12-25
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 119
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥12.3bn | 2022-10-01 → 2023-09-30 | Cons. | Net sales |
| Revenue | ¥11.1bn | 2021-10-01 → 2022-09-30 | Cons. | Net sales |
| Revenue | ¥11.9bn | 2020-10-01 → 2021-09-30d | Cons. | Net sales (5-year summary) |
| Operating income | ¥592m | 2022-10-01 → 2023-09-30 | Cons. | Operating income |
| Operating income | ¥366m | 2021-10-01 → 2022-09-30 | Cons. | Operating income |
| Ordinary income | ¥524m | 2022-10-01 → 2023-09-30 | Cons. | Ordinary income |
| Ordinary income | ¥312m | 2021-10-01 → 2022-09-30 | Cons. | Ordinary income |
| Ordinary income | ¥374m | 2020-10-01 → 2021-09-30d | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥555m | 2022-10-01 → 2023-09-30 | Cons. | Income before income taxes |
| Profit before tax | ¥415m | 2021-10-01 → 2022-09-30 | Cons. | Income before income taxes |
| Net income (owners) | ¥359m | 2022-10-01 → 2023-09-30 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥279m | 2021-10-01 → 2022-09-30 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥237m | 2020-10-01 → 2021-09-30d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥359m | 2022-10-01 → 2023-09-30 | Cons. | Profit loss |
| Net income | ¥279m | 2021-10-01 → 2022-09-30 | Cons. | Profit loss |
| Total assets | ¥11.6bn | at 2023-09-30 | Cons. | Assets |
| Total assets | ¥10.5bn | at 2022-09-30 | Cons. | Assets |
| Total assets | ¥11.2bn | at 2021-09-30d | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥7.6bn | at 2023-09-30 | Cons. | Liabilities |
| Total liabilities | ¥6.8bn | at 2022-09-30 | Cons. | Liabilities |
| Net assets / equity | ¥4.0bn | at 2023-09-30 | Cons. | Net assets |
| Net assets / equity | ¥3.7bn | at 2022-09-30 | Cons. | Net assets |
| Net assets / equity | ¥3.5bn | at 2021-09-30d | Cons. | Net assets |
| Cash and deposits | ¥1.8bn | at 2023-09-30 | Cons. | Cash and deposits |
| Cash and deposits | ¥1.6bn | at 2022-09-30 | Cons. | Cash and deposits |
| Cash & equivalents | ¥1.5bn | at 2023-09-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥1.2bn | at 2022-09-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥1.7bn | at 2021-09-30d | Cons. | Cash and cash equivalents |
| Operating cash flow | ¥423m | 2022-10-01 → 2023-09-30 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥515m | 2021-10-01 → 2022-09-30 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥729m | 2020-10-01 → 2021-09-30d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥106m | 2022-10-01 → 2023-09-30 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | ¥37m | 2021-10-01 → 2022-09-30 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥82m | 2020-10-01 → 2021-09-30d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | −¥36m | 2022-10-01 → 2023-09-30 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥1.0bn | 2021-10-01 → 2022-09-30 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥565m | 2020-10-01 → 2021-09-30d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥285.79 | 2022-10-01 → 2023-09-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥222.27 | 2021-10-01 → 2022-09-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥188.63 | 2020-10-01 → 2021-09-30d | Cons. | Basic earnings loss per share (5-year summary) |
| Net assets per share | ¥3,171.9 | at 2023-09-30 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥2,925.56 | at 2022-09-30 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥2,763.77 | at 2021-09-30d | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 34.3% | at 2023-09-30 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 34.9% | at 2022-09-30 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 31.1% | at 2021-09-30d | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 9.4% | 2022-10-01 → 2023-09-30 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 7.8% | 2021-10-01 → 2022-09-30 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 7.0% | 2020-10-01 → 2021-09-30d | Cons. | Rate of return on equity (5-year summary) |
| Employees | 242 | at 2023-09-30 | Cons. | Number of employees |
| Employees | 247 | at 2022-09-30 | Cons. | Number of employees |
| Employees | 250 | at 2021-09-30d | Cons. | Number of employees |
| Revenue | ¥11.8bn | 2022-10-01 → 2023-09-30 | Standalone | Net sales |
| Revenue | ¥10.7bn | 2021-10-01 → 2022-09-30 | Standalone | Net sales |
| Revenue | ¥11.4bn | 2020-10-01 → 2021-09-30d | Standalone | Net sales (5-year summary) |
| Revenue | ¥10.7bn | 2019-10-01 → 2020-09-30d | Standalone | Net sales (5-year summary) |
| Revenue | ¥10.1bn | 2018-10-01 → 2019-09-30d | Standalone | Net sales (5-year summary) |
| Operating income | ¥545m | 2022-10-01 → 2023-09-30 | Standalone | Operating income |
| Operating income | ¥342m | 2021-10-01 → 2022-09-30 | Standalone | Operating income |
| Ordinary income | ¥491m | 2022-10-01 → 2023-09-30 | Standalone | Ordinary income |
| Ordinary income | ¥302m | 2021-10-01 → 2022-09-30 | Standalone | Ordinary income |
| Ordinary income | ¥340m | 2020-10-01 → 2021-09-30d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥338m | 2019-10-01 → 2020-09-30d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥379m | 2018-10-01 → 2019-09-30d | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥522m | 2022-10-01 → 2023-09-30 | Standalone | Income before income taxes |
| Profit before tax | ¥405m | 2021-10-01 → 2022-09-30 | Standalone | Income before income taxes |
| Net income | ¥341m | 2022-10-01 → 2023-09-30 | Standalone | Profit loss |
| Net income | ¥277m | 2021-10-01 → 2022-09-30 | Standalone | Profit loss |
| Net income | ¥222m | 2020-10-01 → 2021-09-30d | Standalone | Net income loss (5-year summary) |
| Net income | ¥204m | 2019-10-01 → 2020-09-30d | Standalone | Net income loss (5-year summary) |
| Net income | ¥245m | 2018-10-01 → 2019-09-30d | Standalone | Net income loss (5-year summary) |
| Total assets | ¥11.4bn | at 2023-09-30 | Standalone | Assets |
| Total assets | ¥10.4bn | at 2022-09-30 | Standalone | Assets |
| Total assets | ¥11.0bn | at 2021-09-30d | Standalone | Total assets (5-year summary) |
| Total assets | ¥11.2bn | at 2020-09-30d | Standalone | Total assets (5-year summary) |
| Total assets | ¥11.8bn | at 2019-09-30d | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥7.6bn | at 2023-09-30 | Standalone | Liabilities |
| Total liabilities | ¥6.8bn | at 2022-09-30 | Standalone | Liabilities |
| Net assets / equity | ¥3.9bn | at 2023-09-30 | Standalone | Net assets |
| Net assets / equity | ¥3.6bn | at 2022-09-30 | Standalone | Net assets |
| Net assets / equity | ¥3.4bn | at 2021-09-30d | Standalone | Net assets |
| Net assets / equity | ¥3.2bn | at 2020-09-30d | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥3.0bn | at 2019-09-30d | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥1.6bn | at 2023-09-30 | Standalone | Cash and deposits |
| Cash and deposits | ¥1.4bn | at 2022-09-30 | Standalone | Cash and deposits |
| EPS (basic) | ¥271.61 | 2022-10-01 → 2023-09-30 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥220.42 | 2021-10-01 → 2022-09-30 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥177.06 | 2020-10-01 → 2021-09-30d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥162.76 | 2019-10-01 → 2020-09-30d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥195.13 | 2018-10-01 → 2019-09-30d | Standalone | Basic earnings loss per share (5-year summary) |
| Dividend per share | ¥50 | 2022-10-01 → 2023-09-30 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥40 | 2021-10-01 → 2022-09-30 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥20 | 2020-10-01 → 2021-09-30d | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥20 | 2019-10-01 → 2020-09-30d | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥3,090.44 | at 2023-09-30 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,858.27 | at 2022-09-30 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,698.34 | at 2021-09-30d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,533.57 | at 2020-09-30d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥2,369.24 | at 2019-09-30d | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 33.9% | at 2023-09-30 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 34.5% | at 2022-09-30 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 30.7% | at 2021-09-30d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 28.4% | at 2020-09-30d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 25.2% | at 2019-09-30d | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 9.1% | 2022-10-01 → 2023-09-30 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 7.9% | 2021-10-01 → 2022-09-30 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 6.8% | 2020-10-01 → 2021-09-30d | Standalone | Rate of return on equity (5-year summary) |
| ROE | 6.4% | 2019-10-01 → 2020-09-30d | Standalone | Rate of return on equity (5-year summary) |
| ROE | 8.6% | 2018-10-01 → 2019-09-30d | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 1,256,100 | at 2023-09-30 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 1,256,100 | at 2022-09-30 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 1,256,100 | at 2021-09-30d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 1,256,100 | at 2020-09-30d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 1,256,100 | at 2019-09-30d | Standalone | Total number of issued shares (5-year summary) |
| Employees | 224 | at 2023-09-30 | Standalone | Number of employees |
| Employees | 229 | at 2022-09-30 | Standalone | Number of employees |
| Employees | 232 | at 2021-09-30d | Standalone | Number of employees |
| Employees | 224 | at 2020-09-30d | Standalone | Number of employees |
| Employees | 221 | at 2019-09-30d | 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 · 87
| Segment | Item | Period | Value |
|---|---|---|---|
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | capex | 2022-10-01 → 2023-09-30 | ¥4m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | depreciation | 2022-10-01 → 2023-09-30 | ¥2m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | employees | at 2023-09-30 | 6 pure |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2022-10-01 → 2023-09-30 | ¥500m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2022-10-01 → 2023-09-30 | ¥423m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue intersegment | 2022-10-01 → 2023-09-30 | ¥77m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment assets | at 2023-09-30 | ¥303m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment profit | 2022-10-01 → 2023-09-30 | ¥49m |
| Reconciling Itemsreconciling | capex | 2022-10-01 → 2023-09-30 | ¥18m |
| Reconciling Itemsreconciling | depreciation | 2022-10-01 → 2023-09-30 | ¥11m |
| Reconciling Itemsreconciling | revenue | 2022-10-01 → 2023-09-30 | −¥84m |
| Reconciling Itemsreconciling | revenue intersegment | 2022-10-01 → 2023-09-30 | −¥84m |
| Reconciling Itemsreconciling | segment assets | at 2023-09-30 | ¥2.1bn |
| Reconciling Itemsreconciling | segment profit | 2022-10-01 → 2023-09-30 | −¥649m |
| Construction Businessreportable segment | capex | 2022-10-01 → 2023-09-30 | ¥3m |
| Construction Businessreportable segment | depreciation | 2022-10-01 → 2023-09-30 | ¥10m |
| Construction Businessreportable segment | employees | at 2023-09-30 | 84 pure |
| Construction Businessreportable segment | revenue | 2022-10-01 → 2023-09-30 | ¥4.3bn |
| Construction Businessreportable segment | revenue external | 2022-10-01 → 2023-09-30 | ¥4.3bn |
| Construction Businessreportable segment | revenue intersegment | 2022-10-01 → 2023-09-30 | ¥7m |
| Construction Businessreportable segment | segment assets | at 2023-09-30 | ¥868m |
| Construction Businessreportable segment | segment profit | 2022-10-01 → 2023-09-30 | ¥349m |
| Environment Businessreportable segment | capex | 2022-10-01 → 2023-09-30 | ¥661m |
| Environment Businessreportable segment | depreciation | 2022-10-01 → 2023-09-30 | ¥245m |
| Environment Businessreportable segment | employees | at 2023-09-30 | 118 pure |
| Environment Businessreportable segment | revenue | 2022-10-01 → 2023-09-30 | ¥7.1bn |
| Environment Businessreportable segment | revenue external | 2022-10-01 → 2023-09-30 | ¥7.1bn |
| Environment Businessreportable segment | revenue intersegment | 2022-10-01 → 2023-09-30 | ¥56,000 |
| Environment Businessreportable segment | segment assets | at 2023-09-30 | ¥8.2bn |
| Environment Businessreportable segment | segment profit | 2022-10-01 → 2023-09-30 | ¥817m |
| Environment Engineeringreportable segment | capex | 2022-10-01 → 2023-09-30 | ¥1m |
| Environment Engineeringreportable segment | depreciation | 2022-10-01 → 2023-09-30 | ¥9m |
| Environment Engineeringreportable segment | employees | at 2023-09-30 | 9 pure |
| Environment Engineeringreportable segment | revenue | 2022-10-01 → 2023-09-30 | ¥463m |
| Environment Engineeringreportable segment | revenue external | 2022-10-01 → 2023-09-30 | ¥463m |
| Environment Engineeringreportable segment | segment assets | at 2023-09-30 | ¥161m |
| Environment Engineeringreportable segment | segment profit | 2022-10-01 → 2023-09-30 | ¥26m |
| —segment total | capex | 2022-10-01 → 2023-09-30 | ¥665m |
| —segment total | depreciation | 2022-10-01 → 2023-09-30 | ¥263m |
| —segment total | employees | at 2023-09-30 | 211 pure |
| —segment total | revenue | 2022-10-01 → 2023-09-30 | ¥11.8bn |
| —segment total | revenue external | 2022-10-01 → 2023-09-30 | ¥11.8bn |
| —segment total | revenue intersegment | 2022-10-01 → 2023-09-30 | ¥7m |
| —segment total | segment assets | at 2023-09-30 | ¥9.2bn |
| —segment total | segment profit | 2022-10-01 → 2023-09-30 | ¥1.2bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | depreciation | 2021-10-01 → 2022-09-30 | ¥575,000 |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2021-10-01 → 2022-09-30 | ¥449m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2021-10-01 → 2022-09-30 | ¥331m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue intersegment | 2021-10-01 → 2022-09-30 | ¥119m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment assets | at 2022-09-30 | ¥257m |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment profit | 2021-10-01 → 2022-09-30 | ¥21m |
| Reconciling Itemsreconciling | capex | 2021-10-01 → 2022-09-30 | ¥1m |
| Reconciling Itemsreconciling | depreciation | 2021-10-01 → 2022-09-30 | ¥13m |
| Reconciling Itemsreconciling | revenue | 2021-10-01 → 2022-09-30 | −¥126m |
| Reconciling Itemsreconciling | revenue intersegment | 2021-10-01 → 2022-09-30 | −¥126m |
| Reconciling Itemsreconciling | segment assets | at 2022-09-30 | ¥1.9bn |
| Reconciling Itemsreconciling | segment profit | 2021-10-01 → 2022-09-30 | −¥630m |
| Construction Businessreportable segment | capex | 2021-10-01 → 2022-09-30 | ¥19m |
| Construction Businessreportable segment | depreciation | 2021-10-01 → 2022-09-30 | ¥11m |
| Construction Businessreportable segment | revenue | 2021-10-01 → 2022-09-30 | ¥4.5bn |
| Construction Businessreportable segment | revenue external | 2021-10-01 → 2022-09-30 | ¥4.5bn |
| Construction Businessreportable segment | revenue intersegment | 2021-10-01 → 2022-09-30 | ¥7m |
| Construction Businessreportable segment | segment assets | at 2022-09-30 | ¥851m |
| Construction Businessreportable segment | segment profit | 2021-10-01 → 2022-09-30 | ¥476m |
| Environment Businessreportable segment | capex | 2021-10-01 → 2022-09-30 | ¥196m |
| Environment Businessreportable segment | depreciation | 2021-10-01 → 2022-09-30 | ¥292m |
| Environment Businessreportable segment | revenue | 2021-10-01 → 2022-09-30 | ¥6.0bn |
| Environment Businessreportable segment | revenue external | 2021-10-01 → 2022-09-30 | ¥6.0bn |
| Environment Businessreportable segment | segment assets | at 2022-09-30 | ¥7.4bn |
| Environment Businessreportable segment | segment profit | 2021-10-01 → 2022-09-30 | ¥488m |
| Environment Engineeringreportable segment | capex | 2021-10-01 → 2022-09-30 | ¥2m |
| Environment Engineeringreportable segment | depreciation | 2021-10-01 → 2022-09-30 | ¥8m |
| Environment Engineeringreportable segment | revenue | 2021-10-01 → 2022-09-30 | ¥318m |
| Environment Engineeringreportable segment | revenue external | 2021-10-01 → 2022-09-30 | ¥318m |
| Environment Engineeringreportable segment | segment assets | at 2022-09-30 | ¥104m |
| Environment Engineeringreportable segment | segment profit | 2021-10-01 → 2022-09-30 | ¥10m |
| —segment total | capex | 2021-10-01 → 2022-09-30 | ¥217m |
| —segment total | depreciation | 2021-10-01 → 2022-09-30 | ¥312m |
| —segment total | revenue | 2021-10-01 → 2022-09-30 | ¥10.7bn |
| —segment total | revenue external | 2021-10-01 → 2022-09-30 | ¥10.7bn |
| —segment total | revenue intersegment | 2021-10-01 → 2022-09-30 | ¥7m |
| —segment total | segment assets | at 2022-09-30 | ¥8.4bn |
| —segment total | segment profit | 2021-10-01 → 2022-09-30 | ¥975m |
| Construction Businessreportable segment | employees | at 2023-09-30 | 72 pure |
| Environment Businessreportable segment | employees | at 2023-09-30 | 118 pure |
| Environment Engineeringreportable segment | employees | at 2023-09-30 | 9 pure |
| —segment total | employees | at 2023-09-30 | 199 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,352
| Item | Context | Value | Unit |
|---|---|---|---|
| Liabilities | CurrentYearInstant_jpcrp030000-asr_E38906-000EnvironmentEngineeringReportableSegmentsMember | 81075000 | JPY |
| Liabilities | CurrentYearInstant_ReportableSegmentsMember | 2045225000 | JPY |
| Liabilities | CurrentYearInstant_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember | 57647000 | JPY |
| Liabilities | CurrentYearInstant_ReconcilingItemsMember | 5514476000 | JPY |
| Liabilities | CurrentYearInstant | 7617349000 | JPY |
| Depreciation segment information | CurrentYearDuration_jpcrp030000-asr_E38906-000EnvironmentBusinessReportableSegmentsMember | 244611000 | JPY |
| Depreciation segment information | CurrentYearDuration_jpcrp030000-asr_E38906-000ConstructionBusinessReportableSegmentsMember | 9871000 | JPY |
| Depreciation segment information | CurrentYearDuration_jpcrp030000-asr_E38906-000EnvironmentEngineeringReportableSegmentsMember | 8622000 | JPY |
| Depreciation segment information | CurrentYearDuration_ReportableSegmentsMember | 263105000 | JPY |
| Depreciation segment information | CurrentYearDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember | 2164000 | JPY |
| Depreciation segment information | CurrentYearDuration_ReconcilingItemsMember | 11076000 | JPY |
| Depreciation segment information | CurrentYearDuration | 276345000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_jpcrp030000-asr_E38906-000EnvironmentBusinessReportableSegmentsMember | 660515000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_jpcrp030000-asr_E38906-000ConstructionBusinessReportableSegmentsMember | 3018000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_jpcrp030000-asr_E38906-000EnvironmentEngineeringReportableSegmentsMember | 1006000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_ReportableSegmentsMember | 664539000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember | 3523000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_ReconcilingItemsMember | 17837000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration | 685900000 | JPY |
| Cash and deposits | Prior1YearInstant_NonConsolidatedMember | 1405656000 | JPY |
| Cash and deposits | CurrentYearInstant_NonConsolidatedMember | 1649264000 | JPY |
| Notes receivable trade | Prior1YearInstant_NonConsolidatedMember | 125681000 | JPY |
| Notes receivable trade | CurrentYearInstant_NonConsolidatedMember | 419358000 | JPY |
| Accounts receivable trade | Prior1YearInstant_NonConsolidatedMember | 1102878000 | JPY |
| Accounts receivable trade | CurrentYearInstant_NonConsolidatedMember | 1488972000 | JPY |
| Accounts receivable from completed construction contracts cns | Prior1YearInstant_NonConsolidatedMember | 108610000 | JPY |
| Accounts receivable from completed construction contracts cns | CurrentYearInstant_NonConsolidatedMember | 138351000 | JPY |
| Contract assets | Prior1YearInstant_NonConsolidatedMember | 676770000 | JPY |
| Contract assets | CurrentYearInstant_NonConsolidatedMember | 642711000 | JPY |
| Raw materials and supplies | Prior1YearInstant_NonConsolidatedMember | 32602000 | JPY |
| Raw materials and supplies | CurrentYearInstant_NonConsolidatedMember | 28479000 | JPY |
| Costs on uncompleted construction contracts cns | Prior1YearInstant_NonConsolidatedMember | 11940000 | JPY |
| Costs on uncompleted construction contracts cns | CurrentYearInstant_NonConsolidatedMember | 36150000 | JPY |
| Prepaid expenses | Prior1YearInstant_NonConsolidatedMember | 36701000 | JPY |
| Prepaid expenses | CurrentYearInstant_NonConsolidatedMember | 34625000 | JPY |
| Other ca | Prior1YearInstant_NonConsolidatedMember | 31813000 | JPY |
| Other ca | CurrentYearInstant_NonConsolidatedMember | 47182000 | JPY |
| Allowance for doubtful accounts ca | Prior1YearInstant_NonConsolidatedMember | - | JPY |
| Allowance for doubtful accounts ca | CurrentYearInstant_NonConsolidatedMember | -7619000 | JPY |
| Current assets | Prior1YearInstant_NonConsolidatedMember | 3532656000 | JPY |
| Current assets | CurrentYearInstant_NonConsolidatedMember | 4477476000 | JPY |
| Buildings | Prior1YearInstant_NonConsolidatedMember | 2576173000 | JPY |
| Buildings | CurrentYearInstant_NonConsolidatedMember | 2616135000 | JPY |
| Structures | Prior1YearInstant_NonConsolidatedMember | 621243000 | JPY |
| Structures | CurrentYearInstant_NonConsolidatedMember | 754380000 | JPY |
| Machinery and equipment | Prior1YearInstant_NonConsolidatedMember | 2219012000 | JPY |
| Machinery and equipment | CurrentYearInstant_NonConsolidatedMember | 2293422000 | JPY |
| Vehicles | Prior1YearInstant_NonConsolidatedMember | 83504000 | JPY |
| Vehicles | CurrentYearInstant_NonConsolidatedMember | 87557000 | JPY |
| Tools furniture and fixtures | Prior1YearInstant_NonConsolidatedMember | 75525000 | 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 |
| balance sheet identity | pass |
| balance sheet identity | pass |
| 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 |