{"cik":874292,"taxonomy":"us-gaap","tag":"Liabilities","label":"Liabilities","description":"Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.","entityName":"ADDVANTAGE TECHNOLOGIES GROUP, INC.","units":{"USD":[{"end":"2014-09-30","val":13969708,"accn":"0001445260-15-000049","fy":2015,"fp":"FY","form":"10-K","filed":"2015-12-15","frame":"CY2014Q3I"},{"end":"2015-09-30","val":10838348,"accn":"0001445260-15-000049","fy":2015,"fp":"FY","form":"10-K","filed":"2015-12-15"},{"end":"2015-09-30","val":10838348,"accn":"0001445260-16-000059","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-02-09"},{"end":"2015-09-30","val":10838348,"accn":"0001445260-16-000076","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-05-10"},{"end":"2015-09-30","val":10838348,"accn":"0001445260-16-000086","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-08-09"},{"end":"2015-09-30","val":10552348,"accn":"0001445260-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-12-13","frame":"CY2015Q3I"},{"end":"2015-12-31","val":10262964,"accn":"0001445260-16-000059","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-02-09","frame":"CY2015Q4I"},{"end":"2016-03-31","val":9193844,"accn":"0001445260-16-000076","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-05-10","frame":"CY2016Q1I"},{"end":"2016-06-30","val":9862713,"accn":"0001445260-16-000086","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-08-09","frame":"CY2016Q2I"},{"end":"2016-09-30","val":8643103,"accn":"0001445260-16-000094","fy":2016,"fp":"FY","form":"10-K","filed":"2016-12-13"},{"end":"2016-09-30","val":8643103,"accn":"0001445260-17-000008","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-02-14"},{"end":"2016-09-30","val":8643103,"accn":"0001445260-17-000028","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-05-15"},{"end":"2016-09-30","val":8643103,"accn":"0001445260-17-000034","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-08-14"},{"end":"2016-09-30","val":8643103,"accn":"0001445260-17-000042","fy":2017,"fp":"FY","form":"10-K","filed":"2017-12-14","frame":"CY2016Q3I"},{"end":"2016-12-31","val":14770762,"accn":"0001445260-17-000008","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-02-14","frame":"CY2016Q4I"},{"end":"2017-03-31","val":13383282,"accn":"0001445260-17-000028","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-05-15","frame":"CY2017Q1I"},{"end":"2017-06-30","val":13789444,"accn":"0001445260-17-000034","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-08-14","frame":"CY2017Q2I"},{"end":"2017-09-30","val":13149422,"accn":"0001445260-17-000042","fy":2017,"fp":"FY","form":"10-K","filed":"2017-12-14"},{"end":"2017-09-30","val":13149422,"accn":"0001445260-18-000008","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-02-13"},{"end":"2017-09-30","val":13149422,"accn":"0001445260-18-000023","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-05-15"},{"end":"2017-09-30","val":13149422,"accn":"0001445260-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-08-14"},{"end":"2017-09-30","val":13149422,"accn":"0001445260-18-000062","fy":2018,"fp":"FY","form":"10-K/A","filed":"2018-12-31","frame":"CY2017Q3I"},{"end":"2017-12-31","val":9289670,"accn":"0001445260-18-000008","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-02-13","frame":"CY2017Q4I"},{"end":"2018-03-31","val":9660387,"accn":"0001445260-18-000023","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-05-15","frame":"CY2018Q1I"},{"end":"2018-06-30","val":8438144,"accn":"0001445260-18-000033","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-08-14","frame":"CY2018Q2I"},{"end":"2018-09-30","val":9867369,"accn":"0001445260-18-000062","fy":2018,"fp":"FY","form":"10-K/A","filed":"2018-12-31"},{"end":"2018-09-30","val":9867369,"accn":"0001445260-19-000010","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-02-12"},{"end":"2018-09-30","val":9867369,"accn":"0001445260-19-000038","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-05-14"},{"end":"2018-09-30","val":9867369,"accn":"0001445260-19-000054","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-08-13"},{"end":"2018-09-30","val":9867369,"accn":"0001445260-19-000064","fy":2019,"fp":"FY","form":"10-K","filed":"2019-12-17","frame":"CY2018Q3I"},{"end":"2018-12-31","val":7335301,"accn":"0001445260-19-000010","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-02-12","frame":"CY2018Q4I"},{"end":"2019-03-31","val":11823196,"accn":"0001445260-19-000038","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-05-14","frame":"CY2019Q1I"},{"end":"2019-06-30","val":10203241,"accn":"0001445260-19-000054","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-08-13","frame":"CY2019Q2I"},{"end":"2019-09-30","val":7381744,"accn":"0001445260-19-000064","fy":2019,"fp":"FY","form":"10-K","filed":"2019-12-17"},{"end":"2019-09-30","val":7381744,"accn":"0001445260-20-000011","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-02-13"},{"end":"2019-09-30","val":7381744,"accn":"0001445260-20-000052","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-05-14"},{"end":"2019-09-30","val":7381744,"accn":"0001445260-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-08-11"},{"end":"2019-09-30","val":7381000,"accn":"0001628280-20-017632","fy":2020,"fp":"FY","form":"10-K","filed":"2020-12-17","frame":"CY2019Q3I"},{"end":"2019-12-31","val":13014066,"accn":"0001445260-20-000011","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-02-13","frame":"CY2019Q4I"},{"end":"2020-03-31","val":19390778,"accn":"0001445260-20-000052","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-05-14","frame":"CY2020Q1I"},{"end":"2020-06-30","val":20229000,"accn":"0001445260-20-000071","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-08-11","frame":"CY2020Q2I"},{"end":"2020-09-30","val":17750000,"accn":"0001628280-20-017632","fy":2020,"fp":"FY","form":"10-K","filed":"2020-12-17"},{"end":"2020-09-30","val":17570000,"accn":"0001628280-21-001963","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-02-11"},{"end":"2020-09-30","val":17570000,"accn":"0001628280-21-010299","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-05-14"},{"end":"2020-09-30","val":17570000,"accn":"0001628280-21-016958","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-08-13"},{"end":"2020-09-30","val":17570000,"accn":"0001628280-21-025600","fy":2021,"fp":"FY","form":"10-K","filed":"2021-12-27","frame":"CY2020Q3I"},{"end":"2020-12-31","val":15797000,"accn":"0001628280-21-001963","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-02-11","frame":"CY2020Q4I"},{"end":"2021-03-31","val":17093000,"accn":"0001628280-21-010299","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-05-14","frame":"CY2021Q1I"},{"end":"2021-06-30","val":19378000,"accn":"0001628280-21-016958","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-08-13","frame":"CY2021Q2I"},{"end":"2021-09-30","val":16885000,"accn":"0001628280-21-025600","fy":2021,"fp":"FY","form":"10-K","filed":"2021-12-27"},{"end":"2021-09-30","val":16885000,"accn":"0001628280-22-002529","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-02-14"},{"end":"2021-09-30","val":16885000,"accn":"0001628280-22-013892","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-05-12"},{"end":"2021-09-30","val":16885000,"accn":"0001628280-22-022473","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-08-11"},{"end":"2021-09-30","val":16885000,"accn":"0001628280-22-025782","fy":2021,"fp":"Q1","form":"10-QT","filed":"2022-09-30"},{"end":"2021-09-30","val":16885000,"accn":"0001628280-23-008742","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-21","frame":"CY2021Q3I"},{"end":"2021-12-31","val":16111000,"accn":"0001628280-22-002529","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-02-14"},{"end":"2021-12-31","val":16111000,"accn":"0001628280-22-025782","fy":2021,"fp":"Q1","form":"10-QT","filed":"2022-09-30"},{"end":"2021-12-31","val":16111000,"accn":"0001628280-22-029846","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"end":"2021-12-31","val":16111000,"accn":"0001628280-23-008742","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-21","frame":"CY2021Q4I"},{"end":"2022-03-31","val":15536000,"accn":"0001628280-22-013892","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-05-12","frame":"CY2022Q1I"},{"end":"2022-06-30","val":17513000,"accn":"0001628280-22-022473","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-08-11","frame":"CY2022Q2I"},{"end":"2022-09-30","val":15480000,"accn":"0001628280-22-029846","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3I"},{"end":"2022-12-31","val":15171000,"accn":"0001628280-23-008742","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-21"},{"end":"2022-12-31","val":15171000,"accn":"0001628280-23-018175","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-15"},{"end":"2022-12-31","val":15171000,"accn":"0001628280-23-029380","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-14"},{"end":"2022-12-31","val":15171000,"accn":"0001628280-23-038939","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-14","frame":"CY2022Q4I"},{"end":"2023-03-31","val":14311000,"accn":"0001628280-23-018175","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-15","frame":"CY2023Q1I"},{"end":"2023-06-30","val":13525000,"accn":"0001628280-23-029380","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-14","frame":"CY2023Q2I"},{"end":"2023-09-30","val":13748000,"accn":"0001628280-23-038939","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-14","frame":"CY2023Q3I"}]}}