Annual report
3915.TEDINET S100VUXC
Period2024-03-01 → 2025-02-28
Filed2025-05-30
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 151
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥24.7bn | 2024-03-01 → 2025-02-28 | Cons. | Net sales |
| Revenue | ¥19.1bn | 2023-03-01 → 2024-02-29 | Cons. | Net sales |
| Revenue | ¥15.4bn | 2022-03-01 → 2023-02-28d | Cons. | Net sales (5-year summary) |
| Revenue | ¥12.6bn | 2021-03-01 → 2022-02-28d | Cons. | Net sales (5-year summary) |
| Revenue | ¥11.1bn | 2020-03-01 → 2021-02-28d | Cons. | Net sales (5-year summary) |
| Operating income | ¥1.5bn | 2024-03-01 → 2025-02-28 | Cons. | Operating income |
| Operating income | ¥523m | 2023-03-01 → 2024-02-29 | Cons. | Operating income |
| Ordinary income | ¥1.6bn | 2024-03-01 → 2025-02-28 | Cons. | Ordinary income |
| Ordinary income | ¥655m | 2023-03-01 → 2024-02-29 | Cons. | Ordinary income |
| Ordinary income | ¥610m | 2022-03-01 → 2023-02-28d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥662m | 2021-03-01 → 2022-02-28d | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥780m | 2020-03-01 → 2021-02-28d | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥1.6bn | 2024-03-01 → 2025-02-28 | Cons. | Income before income taxes |
| Profit before tax | ¥633m | 2023-03-01 → 2024-02-29 | Cons. | Income before income taxes |
| Net income (owners) | ¥1.0bn | 2024-03-01 → 2025-02-28 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥300m | 2023-03-01 → 2024-02-29 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥347m | 2022-03-01 → 2023-02-28d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥307m | 2021-03-01 → 2022-02-28d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥2.5bn | 2020-03-01 → 2021-02-28d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥1.2bn | 2024-03-01 → 2025-02-28 | Cons. | Profit loss |
| Net income | ¥401m | 2023-03-01 → 2024-02-29 | Cons. | Profit loss |
| Total assets | ¥19.5bn | at 2025-02-28 | Cons. | Assets |
| Total assets | ¥18.4bn | at 2024-02-29 | Cons. | Assets |
| Total assets | ¥15.5bn | at 2023-02-28d | Cons. | Total assets (5-year summary) |
| Total assets | ¥13.8bn | at 2022-02-28d | Cons. | Total assets (5-year summary) |
| Total assets | ¥15.6bn | at 2021-02-28d | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥6.6bn | at 2025-02-28 | Cons. | Liabilities |
| Total liabilities | ¥5.9bn | at 2024-02-29 | Cons. | Liabilities |
| Net assets / equity | ¥12.8bn | at 2025-02-28 | Cons. | Net assets |
| Net assets / equity | ¥12.6bn | at 2024-02-29 | Cons. | Net assets |
| Net assets / equity | ¥10.9bn | at 2023-02-28d | Cons. | Net assets |
| Net assets / equity | ¥9.8bn | at 2022-02-28d | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥10.5bn | at 2021-02-28d | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥6.5bn | at 2025-02-28 | Cons. | Cash and deposits |
| Cash and deposits | ¥5.6bn | at 2024-02-29 | Cons. | Cash and deposits |
| Cash & equivalents | ¥6.5bn | at 2025-02-28 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥5.6bn | at 2024-02-29 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥5.9bn | at 2023-02-28d | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥5.7bn | at 2022-02-28d | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥6.1bn | at 2021-02-28d | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | ¥1.6bn | 2024-03-01 → 2025-02-28 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥672m | 2023-03-01 → 2024-02-29 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥978m | 2022-03-01 → 2023-02-28d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | −¥467m | 2021-03-01 → 2022-02-28d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥235m | 2020-03-01 → 2021-02-28d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥1.0bn | 2024-03-01 → 2025-02-28 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥895m | 2023-03-01 → 2024-02-29 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥976m | 2022-03-01 → 2023-02-28d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥365m | 2021-03-01 → 2022-02-28d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | ¥2.4bn | 2020-03-01 → 2021-02-28d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | ¥345m | 2024-03-01 → 2025-02-28 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥60m | 2023-03-01 → 2024-02-29 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | ¥216m | 2022-03-01 → 2023-02-28d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | ¥408m | 2021-03-01 → 2022-02-28d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | ¥34m | 2020-03-01 → 2021-02-28d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥78.94 | 2024-03-01 → 2025-02-28 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥23.35 | 2023-03-01 → 2024-02-29 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥27.15 | 2022-03-01 → 2023-02-28d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥24.05 | 2021-03-01 → 2022-02-28d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥194.01 | 2020-03-01 → 2021-02-28d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥78.89 | 2024-03-01 → 2025-02-28 | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥23.25 | 2023-03-01 → 2024-02-29 | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥26.97 | 2022-03-01 → 2023-02-28d | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥23.83 | 2021-03-01 → 2022-02-28d | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥191.17 | 2020-03-01 → 2021-02-28d | Cons. | Diluted earnings per share (5-year summary) |
| Net assets per share | ¥857.93 | at 2025-02-28 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥863.53 | at 2024-02-29 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥746.37 | at 2023-02-28d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥687.65 | at 2022-02-28d | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥758.81 | at 2021-02-28d | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 56.9% | at 2025-02-28 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 60.2% | at 2024-02-29 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 61.7% | at 2023-02-28d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 63.5% | at 2022-02-28d | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 62.1% | at 2021-02-28d | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 9.2% | 2024-03-01 → 2025-02-28 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 2.9% | 2023-03-01 → 2024-02-29 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 3.8% | 2022-03-01 → 2023-02-28d | Cons. | Rate of return on equity (5-year summary) |
| ROE | 3.3% | 2021-03-01 → 2022-02-28d | Cons. | Rate of return on equity (5-year summary) |
| ROE | 26.3% | 2020-03-01 → 2021-02-28d | Cons. | Rate of return on equity (5-year summary) |
| Employees | 1,404 | at 2025-02-28 | Cons. | Number of employees |
| Employees | 1,193 | at 2024-02-29 | Cons. | Number of employees |
| Employees | 944 | at 2023-02-28d | Cons. | Number of employees |
| Employees | 777 | at 2022-02-28d | Cons. | Number of employees |
| Employees | 605 | at 2021-02-28d | Cons. | Number of employees |
| Revenue | ¥12.1bn | 2024-03-01 → 2025-02-28 | Standalone | Net sales |
| Revenue | ¥8.9bn | 2023-03-01 → 2024-02-29 | Standalone | Net sales |
| Revenue | ¥7.6bn | 2022-03-01 → 2023-02-28d | Standalone | Net sales (5-year summary) |
| Revenue | ¥6.9bn | 2021-03-01 → 2022-02-28d | Standalone | Net sales (5-year summary) |
| Revenue | ¥6.1bn | 2020-03-01 → 2021-02-28d | Standalone | Net sales (5-year summary) |
| Operating income | ¥845m | 2024-03-01 → 2025-02-28 | Standalone | Operating income |
| Operating income | ¥15m | 2023-03-01 → 2024-02-29 | Standalone | Operating income |
| Ordinary income | ¥850m | 2024-03-01 → 2025-02-28 | Standalone | Ordinary income |
| Ordinary income | ¥55m | 2023-03-01 → 2024-02-29 | Standalone | Ordinary income |
| Ordinary income | ¥52m | 2022-03-01 → 2023-02-28d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥451m | 2021-03-01 → 2022-02-28d | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥368m | 2020-03-01 → 2021-02-28d | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥843m | 2024-03-01 → 2025-02-28 | Standalone | Income before income taxes |
| Profit before tax | ¥37m | 2023-03-01 → 2024-02-29 | Standalone | Income before income taxes |
| Net income | ¥588m | 2024-03-01 → 2025-02-28 | Standalone | Profit loss |
| Net income | −¥9m | 2023-03-01 → 2024-02-29 | Standalone | Profit loss |
| Net income | ¥42m | 2022-03-01 → 2023-02-28d | Standalone | Net income loss (5-year summary) |
| Net income | ¥182m | 2021-03-01 → 2022-02-28d | Standalone | Net income loss (5-year summary) |
| Net income | ¥2.2bn | 2020-03-01 → 2021-02-28d | Standalone | Net income loss (5-year summary) |
| Total assets | ¥12.5bn | at 2025-02-28 | Standalone | Assets |
| Total assets | ¥12.9bn | at 2024-02-29 | Standalone | Assets |
| Total assets | ¥11.0bn | at 2023-02-28d | Standalone | Total assets (5-year summary) |
| Total assets | ¥10.2bn | at 2022-02-28d | Standalone | Total assets (5-year summary) |
| Total assets | ¥12.7bn | at 2021-02-28d | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥3.9bn | at 2025-02-28 | Standalone | Liabilities |
| Total liabilities | ¥3.6bn | at 2024-02-29 | Standalone | Liabilities |
| Net assets / equity | ¥8.7bn | at 2025-02-28 | Standalone | Net assets |
| Net assets / equity | ¥9.3bn | at 2024-02-29 | Standalone | Net assets |
| Net assets / equity | ¥8.1bn | at 2023-02-28d | Standalone | Net assets |
| Net assets / equity | ¥7.6bn | at 2022-02-28d | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥8.9bn | at 2021-02-28d | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥2.2bn | at 2025-02-28 | Standalone | Cash and deposits |
| Cash and deposits | ¥2.2bn | at 2024-02-29 | Standalone | Cash and deposits |
| EPS (basic) | ¥45.59 | 2024-03-01 → 2025-02-28 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥-0.68 | 2023-03-01 → 2024-02-29 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥3.28 | 2022-03-01 → 2023-02-28d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥14.27 | 2021-03-01 → 2022-02-28d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥173.76 | 2020-03-01 → 2021-02-28d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥45.57 | 2024-03-01 → 2025-02-28 | Standalone | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥3.25 | 2022-03-01 → 2023-02-28d | Standalone | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥14.14 | 2021-03-01 → 2022-02-28d | Standalone | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥171.21 | 2020-03-01 → 2021-02-28d | Standalone | Diluted earnings per share (5-year summary) |
| Net assets per share | ¥672.51 | at 2025-02-28 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥724.27 | at 2024-02-29 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥630.95 | at 2023-02-28d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥597.78 | at 2022-02-28d | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥697.45 | at 2021-02-28d | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 69.2% | at 2025-02-28 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 72.1% | at 2024-02-29 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 73.4% | at 2023-02-28d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 75.2% | at 2022-02-28d | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 70.1% | at 2021-02-28d | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 6.5% | 2024-03-01 → 2025-02-28 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 0.5% | 2022-03-01 → 2023-02-28d | Standalone | Rate of return on equity (5-year summary) |
| ROE | 2.2% | 2021-03-01 → 2022-02-28d | Standalone | Rate of return on equity (5-year summary) |
| ROE | 25.0% | 2020-03-01 → 2021-02-28d | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 12,918,380 | at 2025-02-28 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 12,866,380 | at 2024-02-29 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 12,849,100 | at 2023-02-28d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 12,785,100 | at 2022-02-28d | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 12,737,400 | at 2021-02-28d | Standalone | Total number of issued shares (5-year summary) |
| Employees | 687 | at 2025-02-28 | Standalone | Number of employees |
| Employees | 581 | at 2024-02-29 | Standalone | Number of employees |
| Employees | 488 | at 2023-02-28d | Standalone | Number of employees |
| Employees | 430 | at 2022-02-28d | Standalone | Number of employees |
| Employees | 388 | at 2021-02-28d | 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 · 56
| Segment | Item | Period | Value |
|---|---|---|---|
| Reconciling Itemsreconciling | capex | 2024-03-01 → 2025-02-28 | ¥9m |
| Reconciling Itemsreconciling | depreciation | 2024-03-01 → 2025-02-28 | ¥22m |
| Reconciling Itemsreconciling | revenue | 2024-03-01 → 2025-02-28 | −¥210m |
| Reconciling Itemsreconciling | revenue intersegment | 2024-03-01 → 2025-02-28 | −¥210m |
| Reconciling Itemsreconciling | segment assets | at 2025-02-28 | ¥1.4bn |
| Reconciling Itemsreconciling | segment profit | 2024-03-01 → 2025-02-28 | −¥1.4bn |
| Productsreportable segment | capex | 2024-03-01 → 2025-02-28 | ¥656m |
| Productsreportable segment | depreciation | 2024-03-01 → 2025-02-28 | ¥339m |
| Productsreportable segment | employees | at 2025-02-28 | 137 pure |
| Productsreportable segment | revenue | 2024-03-01 → 2025-02-28 | ¥2.0bn |
| Productsreportable segment | revenue external | 2024-03-01 → 2025-02-28 | ¥1.8bn |
| Productsreportable segment | revenue intersegment | 2024-03-01 → 2025-02-28 | ¥210m |
| Productsreportable segment | segment assets | at 2025-02-28 | ¥1.9bn |
| Productsreportable segment | segment profit | 2024-03-01 → 2025-02-28 | −¥69m |
| Solutionreportable segment | capex | 2024-03-01 → 2025-02-28 | ¥235m |
| Solutionreportable segment | depreciation | 2024-03-01 → 2025-02-28 | ¥115m |
| Solutionreportable segment | employees | at 2025-02-28 | 1191 pure |
| Solutionreportable segment | revenue | 2024-03-01 → 2025-02-28 | ¥22.9bn |
| Solutionreportable segment | revenue external | 2024-03-01 → 2025-02-28 | ¥22.9bn |
| Solutionreportable segment | segment assets | at 2025-02-28 | ¥16.2bn |
| Solutionreportable segment | segment profit | 2024-03-01 → 2025-02-28 | ¥2.9bn |
| —segment total | capex | 2024-03-01 → 2025-02-28 | ¥891m |
| —segment total | depreciation | 2024-03-01 → 2025-02-28 | ¥455m |
| —segment total | revenue | 2024-03-01 → 2025-02-28 | ¥24.9bn |
| —segment total | revenue external | 2024-03-01 → 2025-02-28 | ¥24.7bn |
| —segment total | revenue intersegment | 2024-03-01 → 2025-02-28 | ¥210m |
| —segment total | segment assets | at 2025-02-28 | ¥18.1bn |
| —segment total | segment profit | 2024-03-01 → 2025-02-28 | ¥2.9bn |
| Reconciling Itemsreconciling | capex | 2023-03-01 → 2024-02-29 | ¥19m |
| Reconciling Itemsreconciling | depreciation | 2023-03-01 → 2024-02-29 | ¥25m |
| Reconciling Itemsreconciling | revenue | 2023-03-01 → 2024-02-29 | −¥191m |
| Reconciling Itemsreconciling | revenue intersegment | 2023-03-01 → 2024-02-29 | −¥191m |
| Reconciling Itemsreconciling | segment assets | at 2024-02-29 | ¥1.8bn |
| Reconciling Itemsreconciling | segment profit | 2023-03-01 → 2024-02-29 | −¥1.4bn |
| Productsreportable segment | capex | 2023-03-01 → 2024-02-29 | ¥601m |
| Productsreportable segment | depreciation | 2023-03-01 → 2024-02-29 | ¥274m |
| Productsreportable segment | revenue | 2023-03-01 → 2024-02-29 | ¥1.7bn |
| Productsreportable segment | revenue external | 2023-03-01 → 2024-02-29 | ¥1.5bn |
| Productsreportable segment | revenue intersegment | 2023-03-01 → 2024-02-29 | ¥191m |
| Productsreportable segment | segment assets | at 2024-02-29 | ¥1.4bn |
| Productsreportable segment | segment profit | 2023-03-01 → 2024-02-29 | −¥190m |
| Solutionreportable segment | capex | 2023-03-01 → 2024-02-29 | ¥83m |
| Solutionreportable segment | depreciation | 2023-03-01 → 2024-02-29 | ¥94m |
| Solutionreportable segment | revenue | 2023-03-01 → 2024-02-29 | ¥17.6bn |
| Solutionreportable segment | revenue external | 2023-03-01 → 2024-02-29 | ¥17.6bn |
| Solutionreportable segment | segment assets | at 2024-02-29 | ¥15.3bn |
| Solutionreportable segment | segment profit | 2023-03-01 → 2024-02-29 | ¥2.1bn |
| —segment total | capex | 2023-03-01 → 2024-02-29 | ¥684m |
| —segment total | depreciation | 2023-03-01 → 2024-02-29 | ¥367m |
| —segment total | revenue | 2023-03-01 → 2024-02-29 | ¥19.3bn |
| —segment total | revenue external | 2023-03-01 → 2024-02-29 | ¥19.1bn |
| —segment total | revenue intersegment | 2023-03-01 → 2024-02-29 | ¥191m |
| —segment total | segment assets | at 2024-02-29 | ¥16.6bn |
| —segment total | segment profit | 2023-03-01 → 2024-02-29 | ¥1.9bn |
| Productsreportable segment | employees | at 2025-02-28 | 136 pure |
| Solutionreportable segment | employees | at 2025-02-28 | 476 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,443
| Item | Context | Value | Unit |
|---|---|---|---|
| Net assets | CurrentYearInstant_NonConsolidatedMember_CapitalSurplusMember | 1117192000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_RetainedEarningsBroughtForwardMember | 4192596000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_RetainedEarningsMember | 4192596000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_TreasuryStockMember | -851000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ShareholdersEquityMember | 6565830000 | JPY |
| Net assets | Prior1YearInstant_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | 3342827000 | JPY |
| Net assets | Prior1YearInstant_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | 3342827000 | JPY |
| Net assets | Prior1YearInstant_NonConsolidatedMember_SubscriptionRightsToSharesMember | － | JPY |
| Net assets | Prior1YearInstant_NonConsolidatedMember | 9312862000 | JPY |
| Issuance of new shares | CurrentYearDuration_NonConsolidatedMember | 7799000 | JPY |
| Purchase of treasury stock | CurrentYearDuration_NonConsolidatedMember | -201000 | JPY |
| Profit loss | CurrentYearDuration_NonConsolidatedMember | 588196000 | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | -1226990000 | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | -1226990000 | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember_SubscriptionRightsToSharesMember | 6934000 | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember | -1220056000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | -1226990000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | -1226990000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_SubscriptionRightsToSharesMember | 6934000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember | -624261000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | 2115836000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | 2115836000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_SubscriptionRightsToSharesMember | 6934000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember | 8688601000 | JPY |
| Directors compensations sga | Prior1YearDuration_NonConsolidatedMember | 158821000 | JPY |
| Directors compensations sga | CurrentYearDuration_NonConsolidatedMember | 173525000 | JPY |
| Salaries and allowances sga | Prior1YearDuration_NonConsolidatedMember | 1087942000 | JPY |
| Salaries and allowances sga | CurrentYearDuration_NonConsolidatedMember | 1398197000 | JPY |
| Business consignment expenses sga | Prior1YearDuration_NonConsolidatedMember | 276186000 | JPY |
| Business consignment expenses sga | CurrentYearDuration_NonConsolidatedMember | 242717000 | JPY |
| Depreciation sga | Prior1YearDuration_NonConsolidatedMember | 37058000 | JPY |
| Depreciation sga | CurrentYearDuration_NonConsolidatedMember | 53006000 | JPY |
| Advertising expenses sga | Prior1YearDuration_NonConsolidatedMember | 258198000 | JPY |
| Advertising expenses sga | CurrentYearDuration_NonConsolidatedMember | 191340000 | 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)関東財務局長 | |
| Filing date cover page | FilingDateInstant | 2025-05-30 | |
| Fiscal year cover page | FilingDateInstant | Original text (Japanese)第19期（自 2024年３月１日 至 2025年２月28日） | |
| Company name cover page | FilingDateInstant | Original text (Japanese)株式会社テラスカイ | |
| Company name in english cover page | FilingDateInstant | ＴｅｒｒａＳｋｙ Ｃｏ.,Ｌｔｄ. | |
| Title and name of representative cover page | FilingDateInstant | Original text (Japanese)代表取締役ＣＥＯ社長執行役員 佐藤 秀哉 | |
| Address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)東京都中央区日本橋二丁目11番２号 | |
| Telephone number address of registered headquarter cover page | FilingDateInstant | 03-5255-3410 | |
| Name of contact person address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)取締役ＣＦＯ専務執行役員 塚田 耕一郎 | |
| Nearest place of contact cover page | FilingDateInstant | Original text (Japanese)東京都中央区日本橋二丁目11番２号 | |
| Telephone number nearest place of contact cover page | FilingDateInstant | 03-5255-3410 | |
| Name of contact person nearest place of contact cover page | FilingDateInstant | Original text (Japanese)取締役ＣＦＯ専務執行役員 塚田 耕一郎 | |
| Place for public inspection cover page (text) | FilingDateInstant | Text · Plus | |
| Edinet code | FilingDateInstant | E31453 |
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 rounding |
| 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 |