{"cik":797564,"company":{"entity_status":null,"filings":[{"accession":"0000797564-25-000003","document":"hstc2024auditedfinancial.htm","filed":"2025-11-03","form":"10-K","items":"","report_date":"2024-12-31"},{"accession":"0001674796-25-000001","document":"hstcform8-kqwyitacquisitionm.htm","filed":"2025-03-20","form":"8-K","items":"1.01,3.02,9.01","report_date":"2025-03-13"},{"accession":"0001674796-24-000026","document":"hstc-20240930.htm","filed":"2024-11-22","form":"10-Q","items":"","report_date":"2024-09-30"},{"accession":"0001674796-24-000022","document":"hstcform8-kamnionacquisition.htm","filed":"2024-11-12","form":"8-K","items":"1.01,3.02,9.01","report_date":"2024-10-28"},{"accession":"0001674796-24-000021","document":"hstcform8-ktradenametrademar.htm","filed":"2024-09-26","form":"8-K","items":"1.01,3.02,9.01","report_date":"2024-09-25"},{"accession":"0001674796-24-000019","document":"hstc-20240630.htm","filed":"2024-08-26","form":"10-Q","items":"","report_date":"2024-06-30"},{"accession":"0001674796-24-000015","document":"hstc-20240331.htm","filed":"2024-06-05","form":"10-Q","items":"","report_date":"2024-03-31"},{"accession":"0001674796-24-000008","document":"hstc-20231231.htm","filed":"2024-05-03","form":"8-K","items":"1.01,3.02,5.01,5.02,5.03,8.01,9.01","report_date":"2024-05-03"},{"accession":"0001674796-24-000003","document":"hstc-20231231.htm","filed":"2024-04-05","form":"10-K","items":"","report_date":"2023-12-31"},{"accession":"0001674796-23-000015","document":"hstc-20230930.htm","filed":"2023-11-07","form":"10-Q","items":"","report_date":"2023-09-30"},{"accession":"0001674796-23-000012","document":"hstc-20230630.htm","filed":"2023-08-11","form":"10-Q","items":"","report_date":"2023-06-30"},{"accession":"0001674796-23-000009","document":"hstc-20230331.htm","filed":"2023-05-12","form":"10-Q","items":"","report_date":"2023-03-31"},{"accession":"0001674796-23-000007","document":"hstc-20221231.htm","filed":"2023-01-31","form":"10-K","items":"","report_date":"2022-12-31"},{"accession":"0001674796-22-000014","document":"hstc-20220930.htm","filed":"2022-11-04","form":"10-Q","items":"","report_date":"2022-09-30"},{"accession":"0001674796-22-000012","document":"hstc-20220630.htm","filed":"2022-07-26","form":"10-Q","items":"","report_date":"2022-06-30"},{"accession":"0001674796-22-000009","document":"hstc-20220331.htm","filed":"2022-04-29","form":"10-Q","items":"","report_date":"2022-03-31"},{"accession":"0001674796-22-000007","document":"hstc-20211231.htm","filed":"2022-03-04","form":"10-K","items":"","report_date":"2021-12-31"},{"accession":"0001674796-21-000019","document":"hstc-20210930.htm","filed":"2021-11-08","form":"10-Q","items":"","report_date":"2021-09-30"},{"accession":"0001674796-21-000017","document":"hstc-20210630.htm","filed":"2021-08-13","form":"10-Q","items":"","report_date":"2021-06-30"},{"accession":"0001674796-21-000014","document":"hstc-20210331.htm","filed":"2021-05-13","form":"10-Q","items":"","report_date":"2021-03-31"},{"accession":"0001674796-21-000012","document":"hstc-20201231.htm","filed":"2021-04-14","form":"10-K","items":"","report_date":"2020-12-31"},{"accession":"0001674796-20-000035","document":"hstc-20200930.htm","filed":"2020-11-13","form":"10-Q","items":"","report_date":"2020-09-30"},{"accession":"0001674796-20-000032","document":"hstc-20200630.htm","filed":"2020-08-10","form":"10-Q","items":"","report_date":"2020-06-30"},{"accession":"0001674796-20-000016","document":"hstc-20200331.htm","filed":"2020-05-15","form":"10-Q","items":"","report_date":"2020-03-31"},{"accession":"0001674796-20-000013","document":"hstc8-kapr282020.htm","filed":"2020-04-28","form":"8-K","items":"4.01,9.01","report_date":"2020-04-28"},{"accession":"0001674796-20-000011","document":"hstc-20191231.htm","filed":"2020-04-09","form":"10-K","items":"","report_date":"2019-12-31"},{"accession":"0001674796-19-000096","document":"hstc-20190930.htm","filed":"2019-11-19","form":"10-Q","items":"","report_date":"2019-09-30"},{"accession":"0001674796-19-000085","document":"hstc8k08222019.htm","filed":"2019-08-22","form":"8-K","items":"1.01,9.01","report_date":"2019-08-22"},{"accession":"0001674796-19-000084","document":"hstc-20190630.htm","filed":"2019-08-20","form":"10-Q","items":"","report_date":"2019-06-30"},{"accession":"0001674796-19-000071","document":"hstc-20190331.htm","filed":"2019-05-16","form":"10-Q","items":"","report_date":"2019-03-31"},{"accession":"0001674796-19-000049","document":"hstc-20181231.htm","filed":"2019-04-02","form":"10-K","items":"","report_date":"2018-12-31"},{"accession":"0001674796-18-000049","document":"hstc-20180930.htm","filed":"2018-11-02","form":"10-Q","items":"","report_date":"2018-09-30"},{"accession":"0001144204-06-026778","document":"xslF345X02/v046184_ex.xml","filed":"2006-06-29","form":"4/A","items":"","report_date":"2006-06-21"},{"accession":"0001144204-06-026777","document":"xslF345X02/v046183_ex.xml","filed":"2006-06-29","form":"4/A","items":"","report_date":"2006-06-21"},{"accession":"0001213900-04-000612","document":"xslF345X02/f4aetra1004_ntholdingex.xml","filed":"2004-11-12","form":"4","items":"","report_date":"2003-11-15"},{"accession":"0001213900-04-000579","document":"xslF345X02/f4tandre_ntholdingex.xml","filed":"2004-10-21","form":"4","items":"","report_date":"2004-10-15"},{"accession":"0001213900-04-000578","document":"xslF345X02/f4alew1004_ntholdingex.xml","filed":"2004-10-21","form":"4","items":"","report_date":"2004-10-15"}],"former_names":[{"from":"2004-10-19T04:00:00.000Z","name":"NT HOLDING CORP.","to":"2009-03-31T04:00:00.000Z"},{"from":"2002-06-03T04:00:00.000Z","name":"ABSS CORP","to":"2004-08-12T04:00:00.000Z"},{"from":"1995-08-14T04:00:00.000Z","name":"UNICO INC","to":"2002-05-22T04:00:00.000Z"}],"gleif_parents":[],"headquarters":[],"insiders":[],"legal_name":null,"lei":null,"lei_status":null,"lei_updated_at":null,"names":[],"parent_exceptions":[],"parents":[],"wikidata_id":null},"research_built_at":"2026-10-22T06:10:41.883891+00:00","reviewed_events":[],"reviewed_events_coverage":"selective; not a complete event history; accounting series not reconciled","sources":[{"coverage":"8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer","id":"sec","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC submissions","retrieved_at":"2026-10-22T06:11:15.857808+00:00","status":"ok","url":"https://www.sec.gov/search-filings/edgar-application-programming-interfaces"},{"coverage":"1663 unambiguous CIK-linked entities; coverage is incomplete","id":"wikidata","license":"CC0-1.0","license_url":"https://www.wikidata.org/wiki/Wikidata:Licensing","name":"Wikidata structured data","retrieved_at":"2026-10-15T06:12:13.268459+00:00","status":"ok","url":"https://www.wikidata.org/"},{"coverage":"1199 checked identities; 0 unavailable records","id":"gleif","license":"CC0-1.0","license_url":"https://www.gleif.org/en/meta/lei-data-terms-of-use","name":"GLEIF legal entity reference data","retrieved_at":"2026-10-15T06:13:53.192764+00:00","status":"ok","url":"https://www.gleif.org/en/lei-data/gleif-api"},{"coverage":"4 selected series; gaps remain missing","id":"fed","license":"Public domain (selected government series)","license_url":"https://www.federalreserve.gov/disclaimer.htm","name":"Federal Reserve Board H.15","retrieved_at":"2026-10-22T06:11:44.244769+00:00","status":"ok","url":"https://www.federalreserve.gov/releases/h15/"},{"coverage":"9 selected series; gaps remain missing","id":"bls","license":"Public domain","license_url":"https://www.bls.gov/opub/copyright-information.htm","name":"Bureau of Labor Statistics","retrieved_at":"2026-10-22T06:11:45.514173+00:00","status":"ok","url":"https://www.bls.gov/developers/"},{"coverage":"2026 Q3: filings in this completed quarter; not a live transaction feed","id":"insiders","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC insider transactions","retrieved_at":"2026-10-15T06:12:09.068487+00:00","status":"ok","url":"https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets"}]}