Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-25-023869-index-headers.html | 2025-07-30 09:10:20 | |
| 0001437749-25-023869-index.html | 2025-07-30 09:10:20 | |
| 0001437749-25-023869.txt | 2025-07-30 09:10:20 | |
 0001437749-25-023869-xbrl.zip | 19355 | 2025-07-30 09:10:20 |
| ex_814009.htm | 191249 | 2025-07-30 09:10:20 |
| FilingSummary.xml | 1756 | 2025-07-30 09:10:20 |
| MetaLinks.json | 25306 | 2025-07-30 09:10:20 |
| nhtc-20250730.xsd | 3580 | 2025-07-30 09:10:20 |
| nhtc-20250730_def.xml | 11425 | 2025-07-30 09:10:20 |
| nhtc-20250730_lab.xml | 15311 | 2025-07-30 09:10:20 |
| nhtc-20250730_pre.xml | 11585 | 2025-07-30 09:10:20 |
| nhtc20250507_8k.htm | 28606 | 2025-07-30 09:10:20 |
| nhtc20250507_8k_htm.xml | 2977 | 2025-07-30 09:10:20 |
| R1.htm | 38354 | 2025-07-30 09:10:20 |
| report.css | 2767 | 2025-07-30 09:10:20 |
| Show.js | 1084 | 2025-07-30 09:10:20 |