Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-25-023873-index-headers.html | 2025-07-30 09:21:03 | |
| 0001437749-25-023873-index.html | 2025-07-30 09:21:03 | |
| 0001437749-25-023873.txt | 2025-07-30 09:21:03 | |
 0001437749-25-023873-xbrl.zip | 146941 | 2025-07-30 09:21:03 |
| ex_813994.htm | 10032 | 2025-07-30 09:21:03 |
| ex_813995.htm | 10084 | 2025-07-30 09:21:03 |
| ex_813996.htm | 9957 | 2025-07-30 09:21:03 |
| FilingSummary.xml | 33371 | 2025-07-30 09:21:03 |
| MetaLinks.json | 766570 | 2025-07-30 09:21:03 |
| nhtc-20250630.xsd | 49905 | 2025-07-30 09:21:03 |
| nhtc-20250630_cal.xml | 43185 | 2025-07-30 09:21:03 |
| nhtc-20250630_def.xml | 313554 | 2025-07-30 09:21:03 |
| nhtc-20250630_lab.xml | 284373 | 2025-07-30 09:21:03 |
| nhtc-20250630_pre.xml | 346150 | 2025-07-30 09:21:03 |
| nhtc20250630_10q.htm | 1331850 | 2025-07-30 09:21:03 |
| nhtc20250630_10q_htm.xml | 1300554 | 2025-07-30 09:21:03 |
| R1.htm | 51816 | 2025-07-30 09:21:03 |
| R10.htm | 32869 | 2025-07-30 09:21:03 |
| R11.htm | 30592 | 2025-07-30 09:21:03 |
| R12.htm | 32782 | 2025-07-30 09:21:03 |
| R13.htm | 31943 | 2025-07-30 09:21:03 |
| R14.htm | 13634 | 2025-07-30 09:21:03 |
| R15.htm | 6566 | 2025-07-30 09:21:03 |
| R16.htm | 24440 | 2025-07-30 09:21:03 |
| R17.htm | 27067 | 2025-07-30 09:21:03 |
| R18.htm | 10202 | 2025-07-30 09:21:03 |
| R19.htm | 206927 | 2025-07-30 09:21:03 |
| R2.htm | 118138 | 2025-07-30 09:21:03 |
| R20.htm | 5893 | 2025-07-30 09:21:03 |
| R21.htm | 11151 | 2025-07-30 09:21:03 |
| R22.htm | 71354 | 2025-07-30 09:21:03 |
| R23.htm | 52153 | 2025-07-30 09:21:03 |
| R24.htm | 18495 | 2025-07-30 09:21:03 |
| R25.htm | 29593 | 2025-07-30 09:21:03 |
| R26.htm | 25766 | 2025-07-30 09:21:03 |
| R27.htm | 27698 | 2025-07-30 09:21:03 |
| R28.htm | 9501 | 2025-07-30 09:21:03 |
| R29.htm | 18834 | 2025-07-30 09:21:03 |
| R3.htm | 19182 | 2025-07-30 09:21:03 |
| R30.htm | 198553 | 2025-07-30 09:21:03 |
| R31.htm | 7695 | 2025-07-30 09:21:03 |
| R32.htm | 38293 | 2025-07-30 09:21:03 |
| R33.htm | 23345 | 2025-07-30 09:21:03 |
| R34.htm | 12841 | 2025-07-30 09:21:03 |
| R35.htm | 40637 | 2025-07-30 09:21:03 |
| R36.htm | 22794 | 2025-07-30 09:21:03 |
| R37.htm | 14729 | 2025-07-30 09:21:03 |
| R38.htm | 12469 | 2025-07-30 09:21:03 |
| R39.htm | 22579 | 2025-07-30 09:21:03 |
| R4.htm | 88425 | 2025-07-30 09:21:03 |
| R40.htm | 12546 | 2025-07-30 09:21:03 |
| R41.htm | 55640 | 2025-07-30 09:21:03 |
| R42.htm | 12282 | 2025-07-30 09:21:03 |
| R43.htm | 10320 | 2025-07-30 09:21:03 |
| R44.htm | 17578 | 2025-07-30 09:21:03 |
| R45.htm | 12236 | 2025-07-30 09:21:03 |
| R46.htm | 64166 | 2025-07-30 09:21:03 |
| R47.htm | 32408 | 2025-07-30 09:21:03 |
| R48.htm | 28585 | 2025-07-30 09:21:03 |
| R49.htm | 5194 | 2025-07-30 09:21:03 |
| R5.htm | 28804 | 2025-07-30 09:21:03 |
| R6.htm | 68298 | 2025-07-30 09:21:03 |
| R7.htm | 3159 | 2025-07-30 09:21:03 |
| R8.htm | 82000 | 2025-07-30 09:21:03 |
| R9.htm | 65748 | 2025-07-30 09:21:03 |
| report.css | 2767 | 2025-07-30 09:21:03 |
| Show.js | 1085 | 2025-07-30 09:21:03 |