Annual report
1712.TEDINET S100TH9M
Period2023-03-01 → 2024-02-29
Filed2024-05-23
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 148
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥24.1bn | 2023-03-01 → 2024-02-29 | Cons. | Net sales |
| Revenue | ¥16.4bn | 2022-03-01 → 2023-02-28 | Cons. | Net sales |
| Revenue | ¥17.1bn | 2021-03-01 → 2022-02-28d | Cons. | Net sales (5-year summary) |
| Revenue | ¥14.9bn | 2020-03-01 → 2021-02-28d | Cons. | Net sales (5-year summary) |
| Revenue | ¥14.0bn | 2019-03-01 → 2020-02-29d | Cons. | Net sales (5-year summary) |
| Operating income | ¥2.8bn | 2023-03-01 → 2024-02-29 | Cons. | Operating income |
| Operating income | ¥1.4bn | 2022-03-01 → 2023-02-28 | Cons. | Operating income |
| Ordinary income | ¥2.8bn | 2023-03-01 → 2024-02-29 | Cons. | Ordinary income |
| Ordinary income | ¥1.4bn | 2022-03-01 → 2023-02-28 | Cons. | Ordinary income |
| Ordinary income | ¥2.1bn | 2021-03-01 → 2022-02-28d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.2bn | 2020-03-01 → 2021-02-28d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.3bn | 2019-03-01 → 2020-02-29d | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥3.0bn | 2023-03-01 → 2024-02-29 | Cons. | Income before income taxes |
| Profit before tax | ¥1.4bn | 2022-03-01 → 2023-02-28 | Cons. | Income before income taxes |
| Net income (owners) | ¥1.8bn | 2023-03-01 → 2024-02-29 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥724m | 2022-03-01 → 2023-02-28 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥1.3bn | 2021-03-01 → 2022-02-28d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥689m | 2020-03-01 → 2021-02-28d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥678m | 2019-03-01 → 2020-02-29d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥2.0bn | 2023-03-01 → 2024-02-29 | Cons. | Profit loss |
| Net income | ¥924m | 2022-03-01 → 2023-02-28 | Cons. | Profit loss |
| Total assets | ¥27.4bn | at 2024-02-29 | Cons. | Assets |
| Total assets | ¥22.0bn | at 2023-02-28 | Cons. | Assets |
| Total assets | ¥21.3bn | at 2022-02-28d | Cons. | Total assets (5-year summary) |
| Total assets | ¥21.3bn | at 2021-02-28d | Cons. | Total assets (5-year summary) |
| Total assets | ¥21.6bn | at 2020-02-29d | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥9.7bn | at 2024-02-29 | Cons. | Liabilities |
| Total liabilities | ¥6.0bn | at 2023-02-28 | Cons. | Liabilities |
| Net assets / equity | ¥17.7bn | at 2024-02-29 | Cons. | Net assets |
| Net assets / equity | ¥15.9bn | at 2023-02-28 | Cons. | Net assets |
| Net assets / equity | ¥15.2bn | at 2022-02-28d | Cons. | Net assets |
| Net assets / equity | ¥13.8bn | at 2021-02-28d | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥13.0bn | at 2020-02-29d | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥2.4bn | at 2024-02-29 | Cons. | Cash and deposits |
| Cash and deposits | ¥886m | at 2023-02-28 | Cons. | Cash and deposits |
| Cash & equivalents | ¥2.4bn | at 2024-02-29 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥886m | at 2023-02-28 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥645m | at 2022-02-28d | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥1.0bn | at 2021-02-28d | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥599m | at 2020-02-29d | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | ¥3.2bn | 2023-03-01 → 2024-02-29 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥1.1bn | 2022-03-01 → 2023-02-28 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥2.4bn | 2021-03-01 → 2022-02-28d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥2.1bn | 2020-03-01 → 2021-02-28d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥1.5bn | 2019-03-01 → 2020-02-29d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥3.2bn | 2023-03-01 → 2024-02-29 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥659m | 2022-03-01 → 2023-02-28 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥840m | 2021-03-01 → 2022-02-28d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥411m | 2020-03-01 → 2021-02-28d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥1.5bn | 2019-03-01 → 2020-02-29d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | ¥1.5bn | 2023-03-01 → 2024-02-29 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥217m | 2022-03-01 → 2023-02-28 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥1.9bn | 2021-03-01 → 2022-02-28d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥1.2bn | 2020-03-01 → 2021-02-28d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥138m | 2019-03-01 → 2020-02-29d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥106.05 | 2023-03-01 → 2024-02-29 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥43.09 | 2022-03-01 → 2023-02-28 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥74.52 | 2021-03-01 → 2022-02-28d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥41 | 2020-03-01 → 2021-02-28d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥40.39 | 2019-03-01 → 2020-02-29d | Cons. | Basic earnings loss per share (5-year summary) |
| Net assets per share | ¥976.85 | at 2024-02-29 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥884.84 | at 2023-02-28 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥854.2 | at 2022-02-28d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥777.02 | at 2021-02-28d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥738.4 | at 2020-02-29d | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 59.9% | at 2024-02-29 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 67.8% | at 2023-02-28 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 67.4% | at 2022-02-28d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 61.3% | at 2021-02-28d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 57.3% | at 2020-02-29d | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 11.3% | 2023-03-01 → 2024-02-29 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 4.9% | 2022-03-01 → 2023-02-28 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 9.1% | 2021-03-01 → 2022-02-28d | Cons. | Rate of return on equity (5-year summary) |
| ROE | 5.4% | 2020-03-01 → 2021-02-28d | Cons. | Rate of return on equity (5-year summary) |
| ROE | 5.6% | 2019-03-01 → 2020-02-29d | Cons. | Rate of return on equity (5-year summary) |
| Employees | 251 | at 2024-02-29 | Cons. | Number of employees |
| Employees | 186 | at 2023-02-28 | Cons. | Number of employees |
| Employees | 186 | at 2022-02-28d | Cons. | Number of employees |
| Employees | 177 | at 2021-02-28d | Cons. | Number of employees |
| Employees | 167 | at 2020-02-29d | Cons. | Number of employees |
| Revenue | ¥20.2bn | 2023-03-01 → 2024-02-29 | Standalone | Net sales |
| Revenue | ¥14.1bn | 2022-03-01 → 2023-02-28 | Standalone | Net sales |
| Revenue | ¥15.0bn | 2021-03-01 → 2022-02-28d | Standalone | Net sales (5-year summary) |
| Revenue | ¥13.1bn | 2020-03-01 → 2021-02-28d | Standalone | Net sales (5-year summary) |
| Revenue | ¥12.1bn | 2019-03-01 → 2020-02-29d | Standalone | Net sales (5-year summary) |
| Operating income | ¥2.0bn | 2023-03-01 → 2024-02-29 | Standalone | Operating income |
| Operating income | ¥679m | 2022-03-01 → 2023-02-28 | Standalone | Operating income |
| Ordinary income | ¥2.1bn | 2023-03-01 → 2024-02-29 | Standalone | Ordinary income |
| Ordinary income | ¥745m | 2022-03-01 → 2023-02-28 | Standalone | Ordinary income |
| Ordinary income | ¥1.5bn | 2021-03-01 → 2022-02-28d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥808m | 2020-03-01 → 2021-02-28d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥871m | 2019-03-01 → 2020-02-29d | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥2.3bn | 2023-03-01 → 2024-02-29 | Standalone | Income before income taxes |
| Profit before tax | ¥733m | 2022-03-01 → 2023-02-28 | Standalone | Income before income taxes |
| Net income | ¥1.6bn | 2023-03-01 → 2024-02-29 | Standalone | Profit loss |
| Net income | ¥495m | 2022-03-01 → 2023-02-28 | Standalone | Profit loss |
| Net income | ¥1.0bn | 2021-03-01 → 2022-02-28d | Standalone | Net income loss (5-year summary) |
| Net income | ¥539m | 2020-03-01 → 2021-02-28d | Standalone | Net income loss (5-year summary) |
| Net income | ¥531m | 2019-03-01 → 2020-02-29d | Standalone | Net income loss (5-year summary) |
| Total assets | ¥24.9bn | at 2024-02-29 | Standalone | Assets |
| Total assets | ¥20.1bn | at 2023-02-28 | Standalone | Assets |
| Total assets | ¥19.6bn | at 2022-02-28d | Standalone | Total assets (5-year summary) |
| Total assets | ¥19.9bn | at 2021-02-28d | Standalone | Total assets (5-year summary) |
| Total assets | ¥20.2bn | at 2020-02-29d | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥9.9bn | at 2024-02-29 | Standalone | Liabilities |
| Total liabilities | ¥6.4bn | at 2023-02-28 | Standalone | Liabilities |
| Net assets / equity | ¥15.0bn | at 2024-02-29 | Standalone | Net assets |
| Net assets / equity | ¥13.7bn | at 2023-02-28 | Standalone | Net assets |
| Net assets / equity | ¥13.4bn | at 2022-02-28d | Standalone | Net assets |
| Net assets / equity | ¥12.3bn | at 2021-02-28d | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥11.8bn | at 2020-02-29d | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥1.4bn | at 2024-02-29 | Standalone | Cash and deposits |
| Cash and deposits | ¥523m | at 2023-02-28 | Standalone | Cash and deposits |
| EPS (basic) | ¥94.27 | 2023-03-01 → 2024-02-29 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥29.48 | 2022-03-01 → 2023-02-28 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥61.42 | 2021-03-01 → 2022-02-28d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥32.12 | 2020-03-01 → 2021-02-28d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥31.64 | 2019-03-01 → 2020-02-29d | Standalone | Basic earnings loss per share (5-year summary) |
| Dividend per share | ¥12 | 2023-03-01 → 2024-02-29 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥10 | 2022-03-01 → 2023-02-28 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥8 | 2021-03-01 → 2022-02-28d | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥6 | 2020-03-01 → 2021-02-28d | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥6 | 2019-03-01 → 2020-02-29d | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥892.98 | at 2024-02-29 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥812.68 | at 2023-02-28 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥795.57 | at 2022-02-28d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥731.85 | at 2021-02-28d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥701.69 | at 2020-02-29d | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 60.2% | at 2024-02-29 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 68.0% | at 2023-02-28 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 68.2% | at 2022-02-28d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 61.7% | at 2021-02-28d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 58.4% | at 2020-02-29d | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 11.0% | 2023-03-01 → 2024-02-29 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 3.6% | 2022-03-01 → 2023-02-28 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 7.7% | 2021-03-01 → 2022-02-28d | Standalone | Rate of return on equity (5-year summary) |
| ROE | 4.3% | 2020-03-01 → 2021-02-28d | Standalone | Rate of return on equity (5-year summary) |
| ROE | 4.5% | 2019-03-01 → 2020-02-29d | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 16,827,120 | at 2024-02-29 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 16,827,120 | at 2023-02-28 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 16,827,120 | at 2022-02-28d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 16,827,120 | at 2021-02-28d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 16,827,120 | at 2020-02-29d | Standalone | Total number of issued shares (5-year summary) |
| Employees | 165 | at 2024-02-29 | Standalone | Number of employees |
| Employees | 166 | at 2023-02-28 | Standalone | Number of employees |
| Employees | 166 | at 2022-02-28d | Standalone | Number of employees |
| Employees | 160 | at 2021-02-28d | Standalone | Number of employees |
| Employees | 152 | at 2020-02-29d | 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 · 60
| Segment | Item | Period | Value |
|---|---|---|---|
| Reconciling Itemsreconciling | capex | 2023-03-01 → 2024-02-29 | ¥103m |
| Reconciling Itemsreconciling | depreciation | 2023-03-01 → 2024-02-29 | ¥28m |
| Reconciling Itemsreconciling | revenue | 2023-03-01 → 2024-02-29 | −¥229m |
| Reconciling Itemsreconciling | revenue intersegment | 2023-03-01 → 2024-02-29 | −¥229m |
| Reconciling Itemsreconciling | segment assets | at 2024-02-29 | ¥2.2bn |
| Reconciling Itemsreconciling | segment profit | 2023-03-01 → 2024-02-29 | −¥946m |
| Resource Recycling Businessreportable segment | capex | 2023-03-01 → 2024-02-29 | ¥2.1bn |
| Resource Recycling Businessreportable segment | depreciation | 2023-03-01 → 2024-02-29 | ¥248m |
| Resource Recycling Businessreportable segment | employees | at 2024-02-29 | 121 pure |
| Resource Recycling Businessreportable segment | revenue | 2023-03-01 → 2024-02-29 | ¥5.0bn |
| Resource Recycling Businessreportable segment | revenue external | 2023-03-01 → 2024-02-29 | ¥4.7bn |
| Resource Recycling Businessreportable segment | revenue intersegment | 2023-03-01 → 2024-02-29 | ¥224m |
| Resource Recycling Businessreportable segment | segment assets | at 2024-02-29 | ¥8.4bn |
| Resource Recycling Businessreportable segment | segment profit | 2023-03-01 → 2024-02-29 | ¥1.0bn |
| Soil Investigation And Measures Businessreportable segment | capex | 2023-03-01 → 2024-02-29 | ¥909m |
| Soil Investigation And Measures Businessreportable segment | depreciation | 2023-03-01 → 2024-02-29 | ¥807m |
| Soil Investigation And Measures Businessreportable segment | employees | at 2024-02-29 | 97 pure |
| Soil Investigation And Measures Businessreportable segment | revenue | 2023-03-01 → 2024-02-29 | ¥19.4bn |
| Soil Investigation And Measures Businessreportable segment | revenue external | 2023-03-01 → 2024-02-29 | ¥19.4bn |
| Soil Investigation And Measures Businessreportable segment | revenue intersegment | 2023-03-01 → 2024-02-29 | ¥4m |
| Soil Investigation And Measures Businessreportable segment | segment assets | at 2024-02-29 | ¥16.8bn |
| Soil Investigation And Measures Businessreportable segment | segment profit | 2023-03-01 → 2024-02-29 | ¥2.7bn |
| —segment total | capex | 2023-03-01 → 2024-02-29 | ¥3.0bn |
| —segment total | depreciation | 2023-03-01 → 2024-02-29 | ¥1.1bn |
| —segment total | employees | at 2024-02-29 | 218 pure |
| —segment total | revenue | 2023-03-01 → 2024-02-29 | ¥24.4bn |
| —segment total | revenue external | 2023-03-01 → 2024-02-29 | ¥24.1bn |
| —segment total | revenue intersegment | 2023-03-01 → 2024-02-29 | ¥229m |
| —segment total | segment assets | at 2024-02-29 | ¥25.2bn |
| —segment total | segment profit | 2023-03-01 → 2024-02-29 | ¥3.7bn |
| Reconciling Itemsreconciling | capex | 2022-03-01 → 2023-02-28 | ¥6m |
| Reconciling Itemsreconciling | depreciation | 2022-03-01 → 2023-02-28 | ¥25m |
| Reconciling Itemsreconciling | revenue | 2022-03-01 → 2023-02-28 | −¥278m |
| Reconciling Itemsreconciling | revenue intersegment | 2022-03-01 → 2023-02-28 | −¥278m |
| Reconciling Itemsreconciling | segment assets | at 2023-02-28 | ¥1.8bn |
| Reconciling Itemsreconciling | segment profit | 2022-03-01 → 2023-02-28 | −¥745m |
| Resource Recycling Businessreportable segment | capex | 2022-03-01 → 2023-02-28 | ¥372m |
| Resource Recycling Businessreportable segment | depreciation | 2022-03-01 → 2023-02-28 | ¥196m |
| Resource Recycling Businessreportable segment | revenue | 2022-03-01 → 2023-02-28 | ¥3.3bn |
| Resource Recycling Businessreportable segment | revenue external | 2022-03-01 → 2023-02-28 | ¥3.1bn |
| Resource Recycling Businessreportable segment | revenue intersegment | 2022-03-01 → 2023-02-28 | ¥227m |
| Resource Recycling Businessreportable segment | segment assets | at 2023-02-28 | ¥4.1bn |
| Resource Recycling Businessreportable segment | segment profit | 2022-03-01 → 2023-02-28 | ¥733m |
| Soil Investigation And Measures Businessreportable segment | capex | 2022-03-01 → 2023-02-28 | ¥379m |
| Soil Investigation And Measures Businessreportable segment | depreciation | 2022-03-01 → 2023-02-28 | ¥789m |
| Soil Investigation And Measures Businessreportable segment | revenue | 2022-03-01 → 2023-02-28 | ¥13.3bn |
| Soil Investigation And Measures Businessreportable segment | revenue external | 2022-03-01 → 2023-02-28 | ¥13.3bn |
| Soil Investigation And Measures Businessreportable segment | revenue intersegment | 2022-03-01 → 2023-02-28 | ¥50m |
| Soil Investigation And Measures Businessreportable segment | segment assets | at 2023-02-28 | ¥16.1bn |
| Soil Investigation And Measures Businessreportable segment | segment profit | 2022-03-01 → 2023-02-28 | ¥1.4bn |
| —segment total | capex | 2022-03-01 → 2023-02-28 | ¥752m |
| —segment total | depreciation | 2022-03-01 → 2023-02-28 | ¥985m |
| —segment total | revenue | 2022-03-01 → 2023-02-28 | ¥16.7bn |
| —segment total | revenue external | 2022-03-01 → 2023-02-28 | ¥16.4bn |
| —segment total | revenue intersegment | 2022-03-01 → 2023-02-28 | ¥278m |
| —segment total | segment assets | at 2023-02-28 | ¥20.2bn |
| —segment total | segment profit | 2022-03-01 → 2023-02-28 | ¥2.1bn |
| Resource Recycling Businessreportable segment | employees | at 2024-02-29 | 35 pure |
| Soil Investigation And Measures Businessreportable segment | employees | at 2024-02-29 | 97 pure |
| —segment total | employees | at 2024-02-29 | 132 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,421
| Item | Context | Value | Unit |
|---|---|---|---|
| Average number of temporary workers | Prior2YearInstant_NonConsolidatedMember | 14 | |
| Average number of temporary workers | Prior1YearInstant_NonConsolidatedMember | 14 | |
| Average number of temporary workers | CurrentYearInstant_NonConsolidatedMember | 15 | |
| Total shareholder return | Prior4YearInstant_NonConsolidatedMember | 1.3615 | |
| Total shareholder return | Prior3YearInstant_NonConsolidatedMember | 1.3036 | |
| Total shareholder return | Prior2YearInstant_NonConsolidatedMember | 1.9577 | |
| Total shareholder return | Prior1YearInstant_NonConsolidatedMember | 1.4554 | |
| Total shareholder return | CurrentYearInstant_NonConsolidatedMember | 1.6416 | |
| Total return on share price index | Prior4YearInstant_NonConsolidatedMember | 0.963 | |
| Total return on share price index | Prior3YearInstant_NonConsolidatedMember | 1.217 | |
| Total return on share price index | Prior2YearInstant_NonConsolidatedMember | 1.258 | |
| Total return on share price index | Prior1YearInstant_NonConsolidatedMember | 1.366 | |
| Total return on share price index | CurrentYearInstant_NonConsolidatedMember | 1.880 | |
| Number of employees | CurrentYearInstant_jpcrp030000-asr_E05444-000SoilInvestigationAndMeasuresBusinessReportableSegmentMember | 97 | |
| Average number of temporary workers | CurrentYearInstant_jpcrp030000-asr_E05444-000SoilInvestigationAndMeasuresBusinessReportableSegmentMember | 7 | |
| Number of employees | CurrentYearInstant_jpcrp030000-asr_E05444-000ResourceRecyclingBusinessReportableSegmentMember | 121 | |
| Average number of temporary workers | CurrentYearInstant_jpcrp030000-asr_E05444-000ResourceRecyclingBusinessReportableSegmentMember | 27 | |
| Number of employees | CurrentYearInstant_ReportableSegmentsMember | 218 | |
| Average number of temporary workers | CurrentYearInstant_ReportableSegmentsMember | 34 | |
| Number of employees | CurrentYearInstant_CorporateSharedMember | 33 | |
| Average number of temporary workers | CurrentYearInstant_CorporateSharedMember | 2 | |
| Number of employees | CurrentYearInstant | 251 | |
| Average number of temporary workers | CurrentYearInstant | 36 | |
| Number of employees | CurrentYearInstant_NonConsolidatedMember | 165 | |
| Average number of temporary workers | CurrentYearInstant_NonConsolidatedMember | 15 | |
| Average age years information about reporting company information about employees | CurrentYearInstant_NonConsolidatedMember | 41.2 | |
| Average length of service years information about reporting company information about employees | CurrentYearInstant_NonConsolidatedMember | 8.9 | |
| Average annual salary information about reporting company information about employees | CurrentYearInstant_NonConsolidatedMember | 6670029 | JPY |
| Number of employees | CurrentYearInstant_NonConsolidatedMember_jpcrp030000-asr_E05444-000SoilInvestigationAndMeasuresBusinessReportableSegmentMember | 97 | |
| Average number of temporary workers | CurrentYearInstant_NonConsolidatedMember_jpcrp030000-asr_E05444-000SoilInvestigationAndMeasuresBusinessReportableSegmentMember | 7 | |
| Number of employees | CurrentYearInstant_NonConsolidatedMember_jpcrp030000-asr_E05444-000ResourceRecyclingBusinessReportableSegmentMember | 35 | |
| Average number of temporary workers | CurrentYearInstant_NonConsolidatedMember_jpcrp030000-asr_E05444-000ResourceRecyclingBusinessReportableSegmentMember | 6 | |
| Number of employees | CurrentYearInstant_NonConsolidatedMember_ReportableSegmentsMember | 132 | |
| Average number of temporary workers | CurrentYearInstant_NonConsolidatedMember_ReportableSegmentsMember | 13 | |
| Number of employees | CurrentYearInstant_NonConsolidatedMember_CorporateSharedMember | 33 | |
| Average number of temporary workers | CurrentYearInstant_NonConsolidatedMember_CorporateSharedMember | 2 | |
| Number of employees | CurrentYearInstant_NonConsolidatedMember | 165 | |
| Average number of temporary workers | CurrentYearInstant_NonConsolidatedMember | 15 | |
| Capital expenditures overview of capital expenditures etc | CurrentYearDuration | 1360000000 | JPY |
| Number of issued shares as of fiscal year end issued shares total number of shares etc | FilingDateInstant_OrdinaryShareMember | 16827120 | |
| Number of issued shares as of filing date issued shares total number of shares etc | FilingDateInstant_OrdinaryShareMember | 16827120 | |
| Number of issued shares as of fiscal year end issued shares total number of shares etc | FilingDateInstant | 16827120 | |
| Number of issued shares as of filing date issued shares total number of shares etc | FilingDateInstant | 16827120 | |
| Number of shares constituting one unit | CurrentYearInstant_OrdinaryShareMember | 100 | |
| Number of shareholders national and local governments | CurrentYearInstant_OrdinaryShareMember | － | |
| Number of shareholders financial institutions | CurrentYearInstant_OrdinaryShareMember | 8 | |
| Number of shareholders financial service providers | CurrentYearInstant_OrdinaryShareMember | 32 | |
| Number of shareholders other corporations | CurrentYearInstant_OrdinaryShareMember | 38 | |
| Number of shareholders foreign investors other than individuals | CurrentYearInstant_OrdinaryShareMember | 50 | |
| Number of shareholders foreign individual investors | CurrentYearInstant_OrdinaryShareMember | 26 |
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 |