{"cik":1168663,"taxonomy":"us-gaap","tag":"EarningsPerShareBasic","label":"Earnings Per Share, Basic","description":"The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.","entityName":"AMANASU TECHNO HOLDINGS CORPORATION","units":{"USD/shares":[{"start":"2020-01-01","end":"2020-12-31","val":0,"accn":"0001654954-22-004620","fy":2021,"fp":"FY","form":"10-K","filed":"2022-04-05","frame":"CY2020"},{"start":"2021-01-01","end":"2021-12-31","val":0,"accn":"0001654954-22-004620","fy":2021,"fp":"FY","form":"10-K","filed":"2022-04-05","frame":"CY2021"}]}}