Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000912061-19-000061-index-headers.html | 2019-08-07 09:58:50 | |
| 0000912061-19-000061-index.html | 2019-08-07 09:58:50 | |
| 0000912061-19-000061.txt | 2019-08-07 09:58:50 | |
 0000912061-19-000061-xbrl.zip | 21771 | 2019-08-07 09:58:50 |
| ex99-1.htm | 192801 | 2019-08-07 09:58:50 |
| FilingSummary.xml | 1801 | 2019-08-07 09:58:50 |
| Financial_Report.xlsx | 5806 | 2019-08-07 09:58:50 |
| MetaLinks.json | 19741 | 2019-08-07 09:58:50 |
| nhtc-20190807.xsd | 4686 | 2019-08-07 09:58:50 |
| nhtc-20190807_cal.xml | 707 | 2019-08-07 09:58:50 |
| nhtc-20190807_def.xml | 1557 | 2019-08-07 09:58:50 |
| nhtc-20190807_lab.xml | 27177 | 2019-08-07 09:58:50 |
| nhtc-20190807_pre.xml | 14170 | 2019-08-07 09:58:50 |
| nhtc20190630_8k.htm | 39788 | 2019-08-07 09:58:50 |
| nhtc20190630_8k_htm.xml | 4488 | 2019-08-07 09:58:50 |
| R1.htm | 38506 | 2019-08-07 09:58:50 |
| report.css | 2767 | 2019-08-07 09:58:50 |
| Show.js | 1085 | 2019-08-07 09:58:50 |