Annual report
4548.TEDINET S100YDGT
Period2025-04-01 → 2026-03-31
Filed2026-06-18
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 148
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥36.6bn | 2025-04-01 → 2026-03-31 | Cons. | Net sales |
| Revenue | ¥39.4bn | 2024-04-01 → 2025-03-31 | Cons. | Net sales |
| Revenue | ¥36.2bn | 2023-04-01 → 2024-03-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥33.5bn | 2022-04-01 → 2023-03-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥34.9bn | 2021-04-01 → 2022-03-31v | Cons. | Net sales (5-year summary) |
| Operating income | −¥660m | 2025-04-01 → 2026-03-31 | Cons. | Operating income |
| Operating income | ¥1.3bn | 2024-04-01 → 2025-03-31 | Cons. | Operating income |
| Ordinary income | ¥1.7bn | 2025-04-01 → 2026-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥1.9bn | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income |
| Ordinary income | ¥1.7bn | 2023-04-01 → 2024-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥3.1bn | 2022-04-01 → 2023-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥5.4bn | 2021-04-01 → 2022-03-31v | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥1.5bn | 2025-04-01 → 2026-03-31 | Cons. | Income before income taxes |
| Profit before tax | ¥1.9bn | 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) | ¥2.2bn | 2023-04-01 → 2024-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥2.2bn | 2022-04-01 → 2023-03-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥3.7bn | 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 | ¥86.3bn | at 2026-03-31 | Cons. | Assets |
| Total assets | ¥83.9bn | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥81.8bn | at 2024-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥75.6bn | at 2023-03-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥75.2bn | at 2022-03-31v | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥11.0bn | at 2026-03-31 | Cons. | Liabilities |
| Total liabilities | ¥10.7bn | at 2025-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥75.3bn | at 2026-03-31 | Cons. | Net assets |
| Net assets / equity | ¥73.2bn | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥72.3bn | at 2024-03-31v | Cons. | Net assets |
| Net assets / equity | ¥67.2bn | at 2023-03-31v | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥66.3bn | at 2022-03-31v | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥8.9bn | at 2026-03-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥15.1bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥12.1bn | at 2026-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥18.3bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥18.7bn | at 2024-03-31v | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥25.8bn | at 2023-03-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥23.4bn | at 2022-03-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | −¥1.3bn | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥4.4bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥513m | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥1.6bn | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥8.2bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥3.5bn | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥3.5bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥7.2bn | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | ¥3.4bn | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | ¥870m | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | −¥1.7bn | 2025-04-01 → 2026-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥1.6bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥1.5bn | 2023-04-01 → 2024-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥3.2bn | 2022-04-01 → 2023-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥2.2bn | 2021-04-01 → 2022-03-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥26.99 | 2025-04-01 → 2026-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥22.25 | 2024-04-01 → 2025-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥40.08 | 2023-04-01 → 2024-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥40.49 | 2022-04-01 → 2023-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥66.32 | 2021-04-01 → 2022-03-31v | Cons. | Basic earnings loss per share (5-year summary) |
| Net assets per share | ¥1,379.03 | at 2026-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,340.98 | at 2025-03-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,324.82 | at 2024-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,232.41 | at 2023-03-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,179.46 | at 2022-03-31v | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 87.2% | at 2026-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 87.3% | at 2025-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 88.4% | at 2024-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 88.9% | at 2023-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 88.2% | at 2022-03-31v | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 2.0% | 2025-04-01 → 2026-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 1.7% | 2024-04-01 → 2025-03-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 3.1% | 2023-04-01 → 2024-03-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 3.3% | 2022-04-01 → 2023-03-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 5.7% | 2021-04-01 → 2022-03-31v | Cons. | Rate of return on equity (5-year summary) |
| Employees | 1,142 | at 2026-03-31 | Cons. | Number of employees |
| Employees | 1,075 | at 2025-03-31 | Cons. | Number of employees |
| Employees | 988 | at 2024-03-31v | Cons. | Number of employees |
| Employees | 976 | at 2023-03-31v | Cons. | Number of employees |
| Employees | 937 | at 2022-03-31v | Cons. | Number of employees |
| Revenue | ¥23.6bn | 2025-04-01 → 2026-03-31 | Standalone | Net sales |
| Revenue | ¥26.6bn | 2024-04-01 → 2025-03-31 | Standalone | Net sales |
| Revenue | ¥25.1bn | 2023-04-01 → 2024-03-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥22.1bn | 2022-04-01 → 2023-03-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥25.2bn | 2021-04-01 → 2022-03-31v | Standalone | Net sales (5-year summary) |
| Operating income | −¥1.9bn | 2025-04-01 → 2026-03-31 | Standalone | Operating income |
| Operating income | ¥440m | 2024-04-01 → 2025-03-31 | Standalone | Operating income |
| Ordinary income | ¥589m | 2025-04-01 → 2026-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥1.3bn | 2024-04-01 → 2025-03-31 | Standalone | Ordinary income |
| Ordinary income | ¥1.8bn | 2023-04-01 → 2024-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥1.8bn | 2022-04-01 → 2023-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥3.7bn | 2021-04-01 → 2022-03-31v | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥419m | 2025-04-01 → 2026-03-31 | Standalone | Income before income taxes |
| Profit before tax | ¥1.3bn | 2024-04-01 → 2025-03-31 | Standalone | Income before income taxes |
| Net income | ¥737m | 2025-04-01 → 2026-03-31 | Standalone | Profit loss |
| Net income | ¥922m | 2024-04-01 → 2025-03-31 | Standalone | Profit loss |
| Net income | ¥2.5bn | 2023-04-01 → 2024-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | ¥1.8bn | 2022-04-01 → 2023-03-31v | Standalone | Net income loss (5-year summary) |
| Net income | ¥2.5bn | 2021-04-01 → 2022-03-31v | Standalone | Net income loss (5-year summary) |
| Total assets | ¥67.4bn | at 2026-03-31 | Standalone | Assets |
| Total assets | ¥66.5bn | at 2025-03-31 | Standalone | Assets |
| Total assets | ¥66.7bn | at 2024-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥63.1bn | at 2023-03-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥64.6bn | at 2022-03-31v | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥7.3bn | at 2026-03-31 | Standalone | Liabilities |
| Total liabilities | ¥7.2bn | at 2025-03-31 | Standalone | Liabilities |
| Net assets / equity | ¥60.1bn | at 2026-03-31 | Standalone | Net assets |
| Net assets / equity | ¥59.3bn | at 2025-03-31 | Standalone | Net assets |
| Net assets / equity | ¥60.3bn | at 2024-03-31v | Standalone | Net assets |
| Net assets / equity | ¥56.7bn | at 2023-03-31v | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥58.0bn | at 2022-03-31v | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥3.2bn | at 2026-03-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥10.4bn | at 2025-03-31 | Standalone | Cash and deposits |
| EPS (basic) | ¥13.5 | 2025-04-01 → 2026-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥16.9 | 2024-04-01 → 2025-03-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥46.5 | 2023-04-01 → 2024-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥32.55 | 2022-04-01 → 2023-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥44.34 | 2021-04-01 → 2022-03-31v | Standalone | Basic earnings loss per share (5-year summary) |
| Dividend per share | ¥30 | 2025-04-01 → 2026-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥30 | 2024-04-01 → 2025-03-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥26 | 2023-04-01 → 2024-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥26 | 2022-04-01 → 2023-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥30 | 2021-04-01 → 2022-03-31v | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥1,100.14 | at 2026-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥1,085.96 | at 2025-03-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥1,105.46 | at 2024-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥1,039.07 | at 2023-03-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥1,031.37 | at 2022-03-31v | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 89.2% | at 2026-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 89.1% | at 2025-03-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 90.4% | at 2024-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 89.9% | at 2023-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 89.7% | at 2022-03-31v | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 1.2% | 2025-04-01 → 2026-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 1.5% | 2024-04-01 → 2025-03-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 4.3% | 2023-04-01 → 2024-03-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 3.1% | 2022-04-01 → 2023-03-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 4.3% | 2021-04-01 → 2022-03-31v | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 56,814,000 | at 2026-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 56,814,000 | at 2025-03-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 56,814,000 | at 2024-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 56,814,000 | at 2023-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 56,814,000 | at 2022-03-31v | Standalone | Total number of issued shares (5-year summary) |
| Employees | 694 | at 2026-03-31 | Standalone | Number of employees |
| Employees | 647 | at 2025-03-31 | Standalone | Number of employees |
| Employees | 565 | at 2024-03-31v | Standalone | Number of employees |
| Employees | 540 | at 2023-03-31v | Standalone | Number of employees |
| Employees | 531 | 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 · 40
| Segment | Item | Period | Value |
|---|---|---|---|
| LALreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥680m |
| LALreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥576m |
| LALreportable segment | employees | at 2026-03-31 | 307 pure |
| LALreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥12.2bn |
| LALreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥12.2bn |
| LALreportable segment | segment assets | at 2026-03-31 | ¥16.9bn |
| LALreportable segment | segment profit | 2025-04-01 → 2026-03-31 | ¥975m |
| Pharmaceuticalreportable segment | capex | 2025-04-01 → 2026-03-31 | ¥5.5bn |
| Pharmaceuticalreportable segment | depreciation | 2025-04-01 → 2026-03-31 | ¥1.4bn |
| Pharmaceuticalreportable segment | employees | at 2026-03-31 | 706 pure |
| Pharmaceuticalreportable segment | revenue | 2025-04-01 → 2026-03-31 | ¥24.5bn |
| Pharmaceuticalreportable segment | revenue external | 2025-04-01 → 2026-03-31 | ¥24.5bn |
| Pharmaceuticalreportable segment | segment assets | at 2026-03-31 | ¥69.5bn |
| Pharmaceuticalreportable segment | segment profit | 2025-04-01 → 2026-03-31 | −¥1.6bn |
| —segment total | capex | 2025-04-01 → 2026-03-31 | ¥6.2bn |
| —segment total | depreciation | 2025-04-01 → 2026-03-31 | ¥2.0bn |
| —segment total | revenue | 2025-04-01 → 2026-03-31 | ¥36.6bn |
| —segment total | revenue external | 2025-04-01 → 2026-03-31 | ¥36.6bn |
| —segment total | segment assets | at 2026-03-31 | ¥86.3bn |
| —segment total | segment profit | 2025-04-01 → 2026-03-31 | −¥660m |
| LALreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥973m |
| LALreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥540m |
| LALreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥11.9bn |
| LALreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥11.9bn |
| LALreportable segment | segment assets | at 2025-03-31 | ¥15.9bn |
| LALreportable segment | segment profit | 2024-04-01 → 2025-03-31 | ¥809m |
| Pharmaceuticalreportable segment | capex | 2024-04-01 → 2025-03-31 | ¥3.4bn |
| Pharmaceuticalreportable segment | depreciation | 2024-04-01 → 2025-03-31 | ¥1.3bn |
| Pharmaceuticalreportable segment | revenue | 2024-04-01 → 2025-03-31 | ¥27.5bn |
| Pharmaceuticalreportable segment | revenue external | 2024-04-01 → 2025-03-31 | ¥27.5bn |
| Pharmaceuticalreportable segment | segment assets | at 2025-03-31 | ¥68.0bn |
| Pharmaceuticalreportable segment | segment profit | 2024-04-01 → 2025-03-31 | ¥523m |
| —segment total | capex | 2024-04-01 → 2025-03-31 | ¥4.3bn |
| —segment total | depreciation | 2024-04-01 → 2025-03-31 | ¥1.8bn |
| —segment total | revenue | 2024-04-01 → 2025-03-31 | ¥39.4bn |
| —segment total | revenue external | 2024-04-01 → 2025-03-31 | ¥39.4bn |
| —segment total | segment assets | at 2025-03-31 | ¥83.9bn |
| —segment total | segment profit | 2024-04-01 → 2025-03-31 | ¥1.3bn |
| LALreportable segment | employees | at 2026-03-31 | 15 pure |
| Pharmaceuticalreportable segment | employees | at 2026-03-31 | 550 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,596
| Item | Context | Value | Unit |
|---|---|---|---|
| Net assets | CurrentYearInstant_NonConsolidatedMember_LegalCapitalSurplusMember | 5301000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_OtherCapitalSurplusMember | － | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_CapitalSurplusMember | 5301000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_LegalRetainedEarningsMember | 705000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_GeneralReserveMember | 45409000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_RetainedEarningsBroughtForwardMember | 271000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_RetainedEarningsMember | 46386000000 | JPY |
| Net assets | Prior1YearInstant_NonConsolidatedMember_TreasuryStockMember | -2242000000 | JPY |
| Net assets | Prior1YearInstant_NonConsolidatedMember_ShareholdersEquityMember | 54196000000 | JPY |
| Net assets | Prior1YearInstant_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | 5072000000 | JPY |
| Net assets | Prior1YearInstant_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | 5072000000 | JPY |
| Net assets | Prior1YearInstant_NonConsolidatedMember | 59269000000 | JPY |
| Dividends from surplus | CurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember | -1637000000 | JPY |
| Dividends from surplus | CurrentYearDuration_NonConsolidatedMember | -1637000000 | JPY |
| Profit loss | CurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember | 737000000 | JPY |
| Profit loss | CurrentYearDuration_NonConsolidatedMember | 737000000 | JPY |
| Purchase of treasury stock | CurrentYearDuration_NonConsolidatedMember_TreasuryStockMember | -0 | JPY |
| Purchase of treasury stock | CurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember | -0 | JPY |
| Purchase of treasury stock | CurrentYearDuration_NonConsolidatedMember | -0 | JPY |
| Disposal of treasury stock | CurrentYearDuration_NonConsolidatedMember_TreasuryStockMember | 25000000 | JPY |
| Disposal of treasury stock | CurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember | 15000000 | JPY |
| Disposal of treasury stock | CurrentYearDuration_NonConsolidatedMember | 15000000 | JPY |
| Transfer of loss on disposal of treasury stock | CurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember | － | JPY |
| Transfer of loss on disposal of treasury stock | CurrentYearDuration_NonConsolidatedMember | － | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | 1686000000 | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | 1686000000 | JPY |
| Net changes of items other than shareholders equity | CurrentYearDuration_NonConsolidatedMember | 1686000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_TreasuryStockMember | 25000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember | -884000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | 1686000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | 1686000000 | JPY |
| Total changes of items during the period | CurrentYearDuration_NonConsolidatedMember | 801000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_TreasuryStockMember | -2217000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ShareholdersEquityMember | 53311000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember | 6759000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember | 6759000000 | JPY |
| Net assets | CurrentYearInstant_NonConsolidatedMember | 60070000000 | 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 | 2026-06-18 | |
| Fiscal year cover page | FilingDateInstant | Original text (Japanese)第80期（自 2025年4月1日 至 2026年3月31日） | |
| Company name cover page | FilingDateInstant | Original text (Japanese)生化学工業株式会社 | |
| Company name in english cover page | FilingDateInstant | SEIKAGAKU CORPORATION | |
| Title and name of representative cover page | FilingDateInstant | Original text (Japanese)代表取締役社長 水谷 建 | |
| Address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)東京都千代田区丸の内一丁目6番1号 | |
| Telephone number address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)03（5220）8950（代表） | |
| Name of contact person address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)経理部長 杉山 大輔 | |
| Nearest place of contact cover page | FilingDateInstant | Original text (Japanese)東京都千代田区丸の内一丁目6番1号 | |
| Telephone number nearest place of contact cover page | FilingDateInstant | Original text (Japanese)03（5220）8950（代表） |
Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.
Data checks · 24 of 24 passed
| balance sheet identity | pass |
| balance sheet identity | pass |
| balance sheet identity | pass |
| balance sheet identity | pass |
| 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 |