Parent Directory| Name | Size | Last Modified |
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| 0001437749-22-002810-index.html | 2022-02-09 09:10:15 | |
| 0001437749-22-002810.txt | 2022-02-09 09:10:15 | |
 0001437749-22-002810-xbrl.zip | 18933 | 2022-02-09 09:10:15 |
| ex_293748.htm | 184444 | 2022-02-09 09:10:15 |
| FilingSummary.xml | 1773 | 2022-02-09 09:10:15 |
| Financial_Report.xlsx | 5722 | 2022-02-09 09:10:15 |
| MetaLinks.json | 19365 | 2022-02-09 09:10:15 |
| nhtc-20220209.xsd | 3593 | 2022-02-09 09:10:15 |
| nhtc-20220209_def.xml | 11780 | 2022-02-09 09:10:15 |
| nhtc-20220209_lab.xml | 15806 | 2022-02-09 09:10:15 |
| nhtc-20220209_pre.xml | 11995 | 2022-02-09 09:10:15 |
| nhtc20211020_8k.htm | 24498 | 2022-02-09 09:10:15 |
| nhtc20211020_8k_htm.xml | 2670 | 2022-02-09 09:10:15 |
| R1.htm | 40380 | 2022-02-09 09:10:15 |
| report.css | 2767 | 2022-02-09 09:10:15 |
| Show.js | 1085 | 2022-02-09 09:10:15 |