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| 0000912061-19-000082-index.html | 2019-11-05 17:02:02 | |
| 0000912061-19-000082.txt | 2019-11-05 17:02:02 | |
 0000912061-19-000082-xbrl.zip | 201070 | 2019-11-05 17:02:02 |
| ex31-1.htm | 11302 | 2019-11-05 17:02:02 |
| ex31-2.htm | 11354 | 2019-11-05 17:02:02 |
| ex32-1.htm | 11843 | 2019-11-05 17:02:02 |
| FilingSummary.xml | 27911 | 2019-11-05 17:02:02 |
| Financial_Report.xlsx | 61817 | 2019-11-05 17:02:02 |
| MetaLinks.json | 452210 | 2019-11-05 17:02:02 |
| nhtc-20190930.xsd | 35216 | 2019-11-05 17:02:02 |
| nhtc-20190930_cal.xml | 70009 | 2019-11-05 17:02:02 |
| nhtc-20190930_def.xml | 165084 | 2019-11-05 17:02:02 |
| nhtc-20190930_lab.xml | 530101 | 2019-11-05 17:02:02 |
| nhtc-20190930_pre.xml | 298414 | 2019-11-05 17:02:02 |
| nhtc20190930_10q.htm | 1458677 | 2019-11-05 17:02:02 |
| nhtc20190930_10q_htm.xml | 1072619 | 2019-11-05 17:02:02 |
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| report.css | 2767 | 2019-11-05 17:02:02 |
| Show.js | 1085 | 2019-11-05 17:02:02 |