Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000912061-20-000005-index-headers.html | 2020-01-08 16:19:46 | |
| 0000912061-20-000005-index.html | 2020-01-08 16:19:46 | |
| 0000912061-20-000005.txt | 2020-01-08 16:19:46 | |
 0000912061-20-000005-xbrl.zip | 13465 | 2020-01-08 16:19:46 |
| a8-k182020.htm | 40820 | 2020-01-08 16:19:46 |
| a8-k182020_htm.xml | 4392 | 2020-01-08 16:19:46 |
| FilingSummary.xml | 1702 | 2020-01-08 16:19:46 |
| Financial_Report.xlsx | 5813 | 2020-01-08 16:19:46 |
| MetaLinks.json | 19229 | 2020-01-08 16:19:46 |
| nhtc-20200106.xsd | 4627 | 2020-01-08 16:19:46 |
| nhtc-20200106_cal.xml | 650 | 2020-01-08 16:19:46 |
| nhtc-20200106_def.xml | 1500 | 2020-01-08 16:19:46 |
| nhtc-20200106_lab.xml | 27177 | 2020-01-08 16:19:46 |
| nhtc-20200106_pre.xml | 14113 | 2020-01-08 16:19:46 |
| R1.htm | 40150 | 2020-01-08 16:19:46 |
| report.css | 2767 | 2020-01-08 16:19:46 |
| Show.js | 1085 | 2020-01-08 16:19:46 |