Parent Directory| Name | Size | Last Modified |
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| 0001437749-23-021560-index.html | 2023-08-02 09:10:28 | |
| 0001437749-23-021560.txt | 2023-08-02 09:10:28 | |
 0001437749-23-021560-xbrl.zip | 19394 | 2023-08-02 09:10:28 |
| ex_524898.htm | 179949 | 2023-08-02 09:10:28 |
| FilingSummary.xml | 1992 | 2023-08-02 09:10:28 |
| Financial_Report.xlsx | 5735 | 2023-08-02 09:10:28 |
| MetaLinks.json | 19859 | 2023-08-02 09:10:28 |
| nhtc-20230802.xsd | 3409 | 2023-08-02 09:10:28 |
| nhtc-20230802_def.xml | 11780 | 2023-08-02 09:10:28 |
| nhtc-20230802_lab.xml | 15806 | 2023-08-02 09:10:28 |
| nhtc-20230802_pre.xml | 11995 | 2023-08-02 09:10:28 |
| nhtc20230523_8k.htm | 29086 | 2023-08-02 09:10:28 |
| nhtc20230523_8k_htm.xml | 2665 | 2023-08-02 09:10:28 |
| R1.htm | 39869 | 2023-08-02 09:10:28 |
| report.css | 2767 | 2023-08-02 09:10:28 |
| Show.js | 1085 | 2023-08-02 09:10:28 |