{"cik":884269,"taxonomy":"us-gaap","tag":"RevenueFromContractWithCustomerIncludingAssessedTax","label":"Revenue from Contract with Customer, Including Assessed Tax","description":"Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.","entityName":"Alpha Pro Tech, Ltd.","units":{"USD":[{"start":"2017-01-01","end":"2017-03-31","val":10751000,"accn":"0001437749-18-009168","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-09","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":22032000,"accn":"0001437749-18-014396","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-03"},{"start":"2017-04-01","end":"2017-06-30","val":11282000,"accn":"0001437749-18-014396","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-03","frame":"CY2017Q2"},{"end":"2017-07-01","val":12049000,"accn":"0001437749-18-019606","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-06","frame":"CY2017Q2I"},{"start":"2017-01-01","end":"2017-09-30","val":34082000,"accn":"0001437749-18-019606","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-06"},{"start":"2017-07-01","end":"2017-09-30","val":12049000,"accn":"0001437749-18-019606","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-06","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":44025000,"accn":"0001437749-19-004169","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-06","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":11442000,"accn":"0001437749-18-009168","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-09"},{"start":"2018-01-01","end":"2018-03-31","val":11442000,"accn":"0001437749-19-008927","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":23551000,"accn":"0001437749-18-014396","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-03"},{"start":"2018-01-01","end":"2018-06-30","val":23551000,"accn":"0001437749-19-015585","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-06"},{"start":"2018-04-01","end":"2018-06-30","val":12109000,"accn":"0001437749-18-014396","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-03"},{"start":"2018-04-01","end":"2018-06-30","val":12109000,"accn":"0001437749-19-015585","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-06","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":35655000,"accn":"0001437749-18-019606","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-06"},{"start":"2018-01-01","end":"2018-09-30","val":35655000,"accn":"0001437749-19-021693","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-06"},{"start":"2018-07-01","end":"2018-09-30","val":12104000,"accn":"0001437749-18-019606","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-06"},{"start":"2018-07-01","end":"2018-09-30","val":12104000,"accn":"0001437749-19-021693","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-06","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":46624000,"accn":"0001437749-19-004169","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-06"},{"start":"2018-01-01","end":"2018-12-31","val":46624000,"accn":"0001437749-20-004678","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-10","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":12304000,"accn":"0001437749-19-008927","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":12304000,"accn":"0001437749-20-009788","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":23718000,"accn":"0001437749-19-015585","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-06"},{"start":"2019-01-01","end":"2019-06-30","val":23718000,"accn":"0001437749-20-016898","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":11415000,"accn":"0001437749-19-015585","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":11415000,"accn":"0001437749-20-016898","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":35745000,"accn":"0001437749-19-021693","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-06"},{"start":"2019-01-01","end":"2019-09-30","val":35745000,"accn":"0001437749-20-022980","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-06"},{"start":"2019-07-01","end":"2019-09-30","val":12027000,"accn":"0001437749-19-021693","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-06"},{"start":"2019-07-01","end":"2019-09-30","val":12027000,"accn":"0001437749-20-022980","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-06","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":46665000,"accn":"0001437749-20-004678","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-10"},{"start":"2019-01-01","end":"2019-12-31","val":46665000,"accn":"0001437749-21-005551","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-10","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":18154000,"accn":"0001437749-20-009788","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":18154000,"accn":"0001437749-21-011294","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-07","frame":"CY2020Q1"},{"start":"2020-01-10","end":"2020-03-31","val":18154000,"accn":"0001437749-20-009788","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-06-30","val":43654000,"accn":"0001437749-20-016898","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":43654000,"accn":"0001437749-21-018691","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":25500000,"accn":"0001437749-20-016898","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":25500000,"accn":"0001437749-21-018691","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-04-10","end":"2020-06-30","val":25500000,"accn":"0001437749-20-016898","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-09-30","val":73681000,"accn":"0001437749-20-022980","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-06"},{"start":"2020-01-01","end":"2020-09-30","val":73681000,"accn":"0001437749-21-025452","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":30027000,"accn":"0001437749-20-022980","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-06"},{"start":"2020-07-01","end":"2020-09-30","val":30027000,"accn":"0001437749-21-025452","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-05","frame":"CY2020Q3"},{"start":"2020-07-10","end":"2020-09-30","val":30027000,"accn":"0001437749-20-022980","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-06"},{"start":"2020-01-01","end":"2020-12-31","val":102700000,"accn":"0001437749-21-005551","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-10"},{"start":"2020-01-01","end":"2020-12-31","val":102700000,"accn":"0001437749-22-005979","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-11","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-30","val":23161000,"accn":"0001437749-22-011656","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-10"},{"start":"2021-01-01","end":"2021-03-31","val":23161000,"accn":"0001437749-21-011294","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-07"},{"start":"2021-01-01","end":"2021-03-31","val":23161000,"accn":"0001437749-22-011656","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-10","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":40967000,"accn":"0001437749-21-018691","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-01-01","end":"2021-06-30","val":40967000,"accn":"0001437749-22-019054","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":17806000,"accn":"0001437749-21-018691","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":17806000,"accn":"0001437749-22-019054","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-05","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":55442000,"accn":"0001437749-21-025452","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-05"},{"start":"2021-01-01","end":"2021-09-30","val":55442000,"accn":"0001437749-22-026285","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-08"},{"start":"2021-07-01","end":"2021-09-30","val":14475000,"accn":"0001437749-21-025452","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-05"},{"start":"2021-07-01","end":"2021-09-30","val":14475000,"accn":"0001437749-22-026285","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-08","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":68637000,"accn":"0001437749-22-005979","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-11"},{"start":"2021-01-01","end":"2021-12-31","val":68637000,"accn":"0001437749-23-006845","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-16","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-30","val":17661000,"accn":"0001437749-22-011656","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-10"},{"start":"2022-01-01","end":"2022-03-31","val":17661000,"accn":"0001437749-22-011656","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-10"},{"start":"2022-01-01","end":"2022-03-31","val":17661000,"accn":"0001437749-23-013539","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-10","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":35034000,"accn":"0001437749-22-019054","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-05"},{"start":"2022-01-01","end":"2022-06-30","val":35034000,"accn":"0001437749-23-022673","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-09"},{"start":"2022-04-01","end":"2022-06-30","val":17373000,"accn":"0001437749-22-019054","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-05"},{"start":"2022-04-01","end":"2022-06-30","val":17373000,"accn":"0001437749-23-022673","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-09","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":49756000,"accn":"0001437749-22-026285","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-08"},{"start":"2022-01-01","end":"2022-09-30","val":49756000,"accn":"0001437749-23-030902","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-08"},{"start":"2022-07-01","end":"2022-09-30","val":14722000,"accn":"0001437749-22-026285","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-08"},{"start":"2022-07-01","end":"2022-09-30","val":14722000,"accn":"0001437749-23-030902","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-08","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":61981000,"accn":"0001437749-23-006845","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-16"},{"start":"2022-01-01","end":"2022-12-31","val":61981000,"accn":"0001437749-24-007539","fy":2023,"fp":"FY","form":"10-K","filed":"2024-03-13","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":13800000,"accn":"0001437749-23-013539","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-10"},{"start":"2023-01-01","end":"2023-03-31","val":13800000,"accn":"0001437749-24-015624","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-09","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":29914000,"accn":"0001437749-23-022673","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-09"},{"start":"2023-01-01","end":"2023-06-30","val":29914000,"accn":"0001437749-24-025421","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-08"},{"start":"2023-04-01","end":"2023-06-30","val":16115000,"accn":"0001437749-23-022673","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-09"},{"start":"2023-04-01","end":"2023-06-30","val":16115000,"accn":"0001437749-24-025421","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-08","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":45967000,"accn":"0001437749-23-030902","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-08"},{"start":"2023-01-01","end":"2023-09-30","val":45967000,"accn":"0001437749-24-033866","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-07"},{"start":"2023-07-01","end":"2023-09-30","val":16053000,"accn":"0001437749-23-030902","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-08"},{"start":"2023-07-01","end":"2023-09-30","val":16053000,"accn":"0001437749-24-033866","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-07","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":61232000,"accn":"0001437749-24-007539","fy":2023,"fp":"FY","form":"10-K","filed":"2024-03-13"},{"start":"2023-01-01","end":"2023-12-31","val":61232000,"accn":"0001437749-25-007218","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-12","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":13482000,"accn":"0001437749-24-015624","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-09"},{"start":"2024-01-01","end":"2024-03-31","val":13482000,"accn":"0001437749-25-015457","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-08","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":29772000,"accn":"0001437749-24-025421","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-08"},{"start":"2024-01-01","end":"2024-06-30","val":29772000,"accn":"0001437749-25-025400","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-07"},{"start":"2024-04-01","end":"2024-06-30","val":16289000,"accn":"0001437749-24-025421","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-08"},{"start":"2024-04-01","end":"2024-06-30","val":16289000,"accn":"0001437749-25-025400","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-07","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":44023000,"accn":"0001437749-24-033866","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-07"},{"start":"2024-01-01","end":"2024-09-30","val":44023000,"accn":"0001437749-25-033545","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-06"},{"start":"2024-07-01","end":"2024-09-30","val":14251000,"accn":"0001437749-24-033866","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-07"},{"start":"2024-07-01","end":"2024-09-30","val":14251000,"accn":"0001437749-25-033545","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-06","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":57840000,"accn":"0001437749-25-007218","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-12"},{"start":"2024-01-01","end":"2024-12-31","val":57840000,"accn":"0001437749-26-007797","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-11","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":13822000,"accn":"0001437749-25-015457","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-08"},{"start":"2025-01-01","end":"2025-03-31","val":13822000,"accn":"0001437749-26-015456","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-07","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":30494000,"accn":"0001437749-25-025400","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-07"},{"start":"2025-01-01","end":"2025-06-30","val":30494000,"accn":"0001437749-26-026551","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-07"},{"start":"2025-04-01","end":"2025-06-30","val":16672000,"accn":"0001437749-25-025400","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-07"},{"start":"2025-04-01","end":"2025-06-30","val":16672000,"accn":"0001437749-26-026551","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-07","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":45279000,"accn":"0001437749-25-033545","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-06"},{"start":"2025-07-01","end":"2025-09-30","val":14785000,"accn":"0001437749-25-033545","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-06","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":59142000,"accn":"0001437749-26-007797","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-11","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":14585000,"accn":"0001437749-26-015456","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-07","frame":"CY2026Q1"},{"start":"2026-01-01","end":"2026-06-30","val":33259000,"accn":"0001437749-26-026551","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-07"},{"start":"2026-04-01","end":"2026-06-30","val":18674000,"accn":"0001437749-26-026551","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-07","frame":"CY2026Q2"}]}}