{"cik":849401,"taxonomy":"us-gaap","tag":"AmortizationOfIntangibleAssets","label":"Amortization of Intangible Assets","description":"The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.","entityName":"ADM TRONICS UNLIMITED, INC.","units":{"USD":[{"start":"2011-04-01","end":"2011-06-30","val":7183,"accn":"0001437749-12-009239","fy":2012,"fp":"Q1","form":"10-Q/A","filed":"2012-09-07","frame":"CY2011Q2"},{"start":"2011-04-01","end":"2011-09-30","val":14366,"accn":"0001437749-12-011988","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-11-20"},{"start":"2011-04-01","end":"2011-12-31","val":21548,"accn":"0001437749-13-001688","fy":2012,"fp":"Q3","form":"10-Q","filed":"2013-02-19"},{"start":"2011-04-01","end":"2012-03-31","val":21548,"accn":"0001437749-13-008832","fy":2012,"fp":"FY","form":"10-K","filed":"2013-07-15","frame":"CY2011"},{"start":"2012-04-01","end":"2012-06-30","val":3564,"accn":"0001437749-12-009239","fy":2012,"fp":"Q1","form":"10-Q/A","filed":"2012-09-07"},{"start":"2012-04-01","end":"2012-06-30","val":3565,"accn":"0001437749-13-011110","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-08-19","frame":"CY2012Q2"},{"start":"2012-04-01","end":"2012-09-30","val":6392,"accn":"0001437749-12-011988","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-11-20"},{"start":"2012-04-01","end":"2012-09-30","val":6392,"accn":"0001437749-13-014788","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-11-14"},{"start":"2012-04-01","end":"2012-12-31","val":9206,"accn":"0001437749-13-001688","fy":2012,"fp":"Q3","form":"10-Q","filed":"2013-02-19"},{"start":"2012-04-01","end":"2012-12-31","val":9206,"accn":"0001437749-14-002453","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-02-19"},{"start":"2012-04-01","end":"2013-03-31","val":11716,"accn":"0001437749-13-008832","fy":2012,"fp":"FY","form":"10-K","filed":"2013-07-15"},{"start":"2012-04-01","end":"2013-03-31","val":11716,"accn":"0001437749-14-012762","fy":2014,"fp":"FY","form":"10-K","filed":"2014-07-15","frame":"CY2012"},{"start":"2013-04-01","end":"2013-06-30","val":2663,"accn":"0001437749-13-011110","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-08-19","frame":"CY2013Q2"},{"start":"2013-04-01","end":"2013-09-30","val":5325,"accn":"0001437749-13-014788","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-11-14"},{"start":"2013-04-01","end":"2013-12-31","val":6797,"accn":"0001437749-14-002453","fy":2013,"fp":"Q3","form":"10-Q","filed":"2014-02-19"},{"start":"2013-04-01","end":"2014-03-31","val":38379,"accn":"0001437749-14-012762","fy":2014,"fp":"FY","form":"10-K","filed":"2014-07-15"},{"start":"2013-04-01","end":"2014-03-31","val":38379,"accn":"0001437749-15-013559","fy":2015,"fp":"FY","form":"10-K","filed":"2015-07-14","frame":"CY2013"},{"start":"2014-04-01","end":"2015-03-31","val":1890,"accn":"0001437749-15-013559","fy":2015,"fp":"FY","form":"10-K","filed":"2015-07-14"},{"start":"2014-04-01","end":"2015-03-31","val":1890,"accn":"0001437749-16-035183","fy":2016,"fp":"FY","form":"10-K","filed":"2016-07-13","frame":"CY2014"},{"start":"2015-04-01","end":"2016-03-31","val":1395,"accn":"0001437749-16-035183","fy":2016,"fp":"FY","form":"10-K","filed":"2016-07-13"},{"start":"2015-04-01","end":"2016-03-31","val":1395,"accn":"0001437749-17-012017","fy":2017,"fp":"FY","form":"10-K","filed":"2017-06-29","frame":"CY2015"},{"start":"2016-04-01","end":"2017-03-31","val":1395,"accn":"0001437749-17-012017","fy":2017,"fp":"FY","form":"10-K","filed":"2017-06-29"},{"start":"2016-04-01","end":"2017-03-31","val":1395,"accn":"0001437749-18-013348","fy":2018,"fp":"FY","form":"10-K","filed":"2018-07-16","frame":"CY2016"},{"start":"2017-04-01","end":"2018-03-31","val":1395,"accn":"0001437749-18-013348","fy":2018,"fp":"FY","form":"10-K","filed":"2018-07-16"},{"start":"2017-04-01","end":"2018-03-31","val":1396,"accn":"0001437749-19-013995","fy":2019,"fp":"FY","form":"10-K","filed":"2019-07-15"},{"start":"2017-04-01","end":"2018-03-31","val":1396,"accn":"0001437749-19-015024","fy":2019,"fp":"FY","form":"10-K/A","filed":"2019-07-31","frame":"CY2017"},{"start":"2018-04-01","end":"2019-03-31","val":1396,"accn":"0001437749-19-013995","fy":2019,"fp":"FY","form":"10-K","filed":"2019-07-15"},{"start":"2018-04-01","end":"2019-03-31","val":1396,"accn":"0001437749-19-015024","fy":2019,"fp":"FY","form":"10-K/A","filed":"2019-07-31"},{"start":"2018-04-01","end":"2019-03-31","val":2056,"accn":"0001437749-20-015110","fy":2020,"fp":"FY","form":"10-K","filed":"2020-07-14","frame":"CY2018"},{"start":"2019-04-01","end":"2020-03-31","val":2056,"accn":"0001437749-20-015110","fy":2020,"fp":"FY","form":"10-K","filed":"2020-07-14"},{"start":"2019-04-01","end":"2020-03-31","val":2056,"accn":"0001437749-21-016926","fy":2021,"fp":"FY","form":"10-K","filed":"2021-07-14","frame":"CY2019"},{"start":"2020-04-01","end":"2021-03-31","val":2882,"accn":"0001437749-21-016926","fy":2021,"fp":"FY","form":"10-K","filed":"2021-07-14"},{"start":"2020-04-01","end":"2021-03-31","val":2882,"accn":"0001437749-22-016896","fy":2022,"fp":"FY","form":"10-K","filed":"2022-07-08","frame":"CY2020"},{"start":"2021-04-01","end":"2022-03-31","val":2880,"accn":"0001437749-22-016896","fy":2022,"fp":"FY","form":"10-K","filed":"2022-07-08","frame":"CY2021"},{"start":"2023-04-01","end":"2024-03-31","val":5305,"accn":"0001437749-25-022670","fy":2025,"fp":"FY","form":"10-K","filed":"2025-07-14","frame":"CY2023"},{"start":"2024-04-01","end":"2025-03-31","val":7306,"accn":"0001437749-25-022670","fy":2025,"fp":"FY","form":"10-K","filed":"2025-07-14"},{"start":"2024-04-01","end":"2025-03-31","val":7306,"accn":"0001437749-26-023316","fy":2026,"fp":"FY","form":"10-K","filed":"2026-07-10","frame":"CY2024"},{"start":"2025-04-01","end":"2026-03-31","val":6817,"accn":"0001437749-26-023316","fy":2026,"fp":"FY","form":"10-K","filed":"2026-07-10","frame":"CY2025"}]}}