Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-24-010241-index-headers.html | 2024-04-01 12:00:30 | |
| 0001437749-24-010241-index.html | 2024-04-01 12:00:30 | |
| 0001437749-24-010241.txt | 2024-04-01 12:00:30 | |
 0001437749-24-010241-xbrl.zip | 356406 | 2024-04-01 12:00:30 |
 a01.jpg | 163841 | 2024-04-01 12:00:30 |
 a02.jpg | 157869 | 2024-04-01 12:00:30 |
 capture-graph23624725.jpg | 20351 | 2024-04-01 12:00:30 |
 capture-graph3624725.jpg | 17937 | 2024-04-01 12:00:30 |
| FilingSummary.xml | 2507 | 2024-04-01 12:00:30 |
| MetaLinks.json | 186422 | 2024-04-01 12:00:30 |
| nhtc-20231231.xsd | 5381 | 2024-04-01 12:00:30 |
| nhtc-20231231_def.xml | 6114 | 2024-04-01 12:00:30 |
| nhtc-20231231_lab.xml | 11360 | 2024-04-01 12:00:30 |
| nhtc-20231231_pre.xml | 5807 | 2024-04-01 12:00:30 |
| nhtc20231122_def14a.htm | 366837 | 2024-04-01 12:00:30 |
| nhtc20231122_def14a_htm.xml | 76855 | 2024-04-01 12:00:30 |
| R1.htm | 10850 | 2024-04-01 12:00:30 |
| R2.htm | 94842 | 2024-04-01 12:00:30 |
| report.css | 2767 | 2024-04-01 12:00:30 |
| Show.js | 1085 | 2024-04-01 12:00:30 |