{"cik":912061,"company":{"entity_status":null,"filings":[{"accession":"0001437749-26-024770","document":"nhtc20260630_10q.htm","filed":"2026-07-29","form":"10-Q","items":"","report_date":"2026-06-30"},{"accession":"0001437749-26-024763","document":"nhtc20260522_8k.htm","filed":"2026-07-29","form":"8-K","items":"2.02,9.01","report_date":"2026-07-29"},{"accession":"0001437749-26-015500","document":"nhtc20260324_8k.htm","filed":"2026-05-07","form":"8-K","items":"5.02,5.07,9.01","report_date":"2026-05-07"},{"accession":"0001437749-26-013744","document":"nhtc20260331_10q.htm","filed":"2026-04-29","form":"10-Q","items":"","report_date":"2026-03-31"},{"accession":"0001437749-26-013743","document":"nhtc20260306_8k.htm","filed":"2026-04-29","form":"8-K","items":"2.02,9.01","report_date":"2026-04-29"},{"accession":"0001437749-26-009523","document":"nhtc20251031_def14a.htm","filed":"2026-03-24","form":"DEF 14A","items":"","report_date":"2026-05-07"},{"accession":"0001437749-26-009522","document":"nhtc20251031_def14a.htm","filed":"2026-03-24","form":"DEF 14A","items":"","report_date":"2026-05-07"},{"accession":"0001437749-26-004876","document":"nhtc20251231_10k.htm","filed":"2026-02-20","form":"10-K","items":"","report_date":"2025-12-31"},{"accession":"0001437749-26-004352","document":"nhtc20260211_8k.htm","filed":"2026-02-17","form":"8-K","items":"1.01,8.01,9.01","report_date":"2026-02-17"},{"accession":"0001437749-26-002881","document":"nhtc20251113_8k.htm","filed":"2026-02-04","form":"8-K","items":"2.02,9.01","report_date":"2026-02-04"},{"accession":"0001437749-25-033153","document":"nhtc20250930_10q.htm","filed":"2025-11-05","form":"10-Q","items":"","report_date":"2025-09-30"},{"accession":"0001437749-25-033150","document":"nhtc20250731_8k.htm","filed":"2025-11-05","form":"8-K","items":"2.02,9.01","report_date":"2025-11-05"},{"accession":"0001437749-25-023873","document":"nhtc20250630_10q.htm","filed":"2025-07-30","form":"10-Q","items":"","report_date":"2025-06-30"},{"accession":"0001437749-25-023869","document":"nhtc20250507_8k.htm","filed":"2025-07-30","form":"8-K","items":"2.02,9.01","report_date":"2025-07-30"},{"accession":"0001437749-25-014718","document":"nhtc20250505_8k.htm","filed":"2025-05-06","form":"8-K","items":"5.07","report_date":"2025-05-06"},{"accession":"0001437749-25-013645","document":"nhtc20250331_10q.htm","filed":"2025-04-30","form":"10-Q","items":"","report_date":"2025-03-31"},{"accession":"0001437749-25-013643","document":"nhtc20250112_8k.htm","filed":"2025-04-30","form":"8-K","items":"2.02,9.01","report_date":"2025-04-30"},{"accession":"0001437749-25-010575","document":"xslF345X05/rdgdoc.xml","filed":"2025-04-02","form":"4","items":"","report_date":"2025-04-01"},{"accession":"0001437749-25-010573","document":"xslF345X05/rdgdoc.xml","filed":"2025-04-02","form":"4","items":"","report_date":"2025-04-01"},{"accession":"0001437749-25-010569","document":"xslF345X05/rdgdoc.xml","filed":"2025-04-02","form":"4","items":"","report_date":"2025-04-01"},{"accession":"0001437749-25-010567","document":"xslF345X05/rdgdoc.xml","filed":"2025-04-02","form":"4","items":"","report_date":"2025-04-01"},{"accession":"0001437749-25-010562","document":"xslF345X05/rdgdoc.xml","filed":"2025-04-02","form":"4","items":"","report_date":"2025-04-01"},{"accession":"0001437749-25-010557","document":"xslF345X05/rdgdoc.xml","filed":"2025-04-02","form":"4","items":"","report_date":"2025-04-01"},{"accession":"0001437749-25-010551","document":"nhtc20250331_8k.htm","filed":"2025-04-02","form":"8-K","items":"5.02","report_date":"2025-04-01"},{"accession":"0001437749-25-008890","document":"nhtc20241030_def14a.htm","filed":"2025-03-24","form":"DEF 14A","items":"","report_date":"2025-05-06"},{"accession":"0001437749-25-007552","document":"nhtc20250211_8k.htm","filed":"2025-03-13","form":"8-K","items":"4.01,9.01","report_date":"2025-03-13"},{"accession":"0001437749-25-004700","document":"nhtc20241231c_10k.htm","filed":"2025-02-21","form":"10-K","items":"","report_date":"2024-12-31"},{"accession":"0001437749-25-002836","document":"nhtc20240923_8k.htm","filed":"2025-02-05","form":"8-K","items":"2.02,9.01","report_date":"2025-02-05"},{"accession":"0001437749-24-037644","document":"xslF345X05/rdgdoc.xml","filed":"2024-12-16","form":"4","items":"","report_date":"2024-12-15"},{"accession":"0001437749-24-037642","document":"xslF345X05/rdgdoc.xml","filed":"2024-12-16","form":"4","items":"","report_date":"2024-12-15"},{"accession":"0001437749-24-032546","document":"nhtc20240930_10q.htm","filed":"2024-10-30","form":"10-Q","items":"","report_date":"2024-09-30"},{"accession":"0001437749-24-032544","document":"nhtc20240823_8k.htm","filed":"2024-10-30","form":"8-K","items":"2.02,9.01","report_date":"2024-10-30"},{"accession":"0001437749-24-024000","document":"nhtc20240630_10q.htm","filed":"2024-07-31","form":"10-Q","items":"","report_date":"2024-06-30"},{"accession":"0001437749-24-023999","document":"nhtc20240520_8k.htm","filed":"2024-07-31","form":"8-K","items":"2.02,5.02,9.01","report_date":"2024-07-29"},{"accession":"0001437749-24-016566","document":"nhtc20240430_8k.htm","filed":"2024-05-14","form":"8-K","items":"5.07","report_date":"2024-05-14"},{"accession":"0001437749-24-014082","document":"nhtc20240331_10q.htm","filed":"2024-05-01","form":"10-Q","items":"","report_date":"2024-03-31"},{"accession":"0001437749-24-014080","document":"nhtc20240228_8k.htm","filed":"2024-05-01","form":"8-K","items":"2.02,9.01","report_date":"2024-05-01"},{"accession":"0001437749-24-012553","document":"nhtc20240418_8k.htm","filed":"2024-04-19","form":"8-K","items":"5.02","report_date":"2024-04-16"},{"accession":"0001437749-24-012176","document":"sct20240209_sc13da.htm","filed":"2024-04-16","form":"SC 13D/A","items":"","report_date":""},{"accession":"0001437749-24-010241","document":"nhtc20231122_def14a.htm","filed":"2024-04-01","form":"DEF 14A","items":"","report_date":"2024-05-14"}],"former_names":[],"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":"2026-10-21T06:11:10.683776+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":"2026-10-20T06:11:47.043759+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":"2026-10-20T06:12:10.744440+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":"2026-10-20T06:12:12.024240+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"}]}