Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000912061-20-000007-index-headers.html | 2020-02-10 11:34:50 | |
| 0000912061-20-000007-index.html | 2020-02-10 11:34:50 | |
| 0000912061-20-000007.txt | 2020-02-10 11:34:50 | |
 0000912061-20-000007-xbrl.zip | 15558 | 2020-02-10 11:34:50 |
| a8-k02x06x2020.htm | 46678 | 2020-02-10 11:34:50 |
| a8-k02x06x2020_htm.xml | 4758 | 2020-02-10 11:34:50 |
| exhibit31.htm | 7054 | 2020-02-10 11:34:50 |
| FilingSummary.xml | 1745 | 2020-02-10 11:34:50 |
| Financial_Report.xlsx | 5848 | 2020-02-10 11:34:50 |
| MetaLinks.json | 19812 | 2020-02-10 11:34:50 |
| nhtc-20200206.xsd | 4627 | 2020-02-10 11:34:50 |
| nhtc-20200206_cal.xml | 650 | 2020-02-10 11:34:50 |
| nhtc-20200206_def.xml | 1500 | 2020-02-10 11:34:50 |
| nhtc-20200206_lab.xml | 28282 | 2020-02-10 11:34:50 |
| nhtc-20200206_pre.xml | 14644 | 2020-02-10 11:34:50 |
| R1.htm | 41688 | 2020-02-10 11:34:50 |
| report.css | 2767 | 2020-02-10 11:34:50 |
| Show.js | 1085 | 2020-02-10 11:34:50 |