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|---|---|---|
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| 0000912061-19-000063-index.html | 2019-08-07 10:16:43 | |
| 0000912061-19-000063.txt | 2019-08-07 10:16:43 | |
 0000912061-19-000063-xbrl.zip | 190132 | 2019-08-07 10:16:43 |
| ex31-1.htm | 11300 | 2019-08-07 10:16:43 |
| ex31-2.htm | 11352 | 2019-08-07 10:16:43 |
| ex32-1.htm | 11834 | 2019-08-07 10:16:43 |
| FilingSummary.xml | 27493 | 2019-08-07 10:16:43 |
| Financial_Report.xlsx | 60513 | 2019-08-07 10:16:43 |
| MetaLinks.json | 454642 | 2019-08-07 10:16:43 |
| nhtc-20190630.xsd | 35511 | 2019-08-07 10:16:43 |
| nhtc-20190630_cal.xml | 71195 | 2019-08-07 10:16:43 |
| nhtc-20190630_def.xml | 167995 | 2019-08-07 10:16:43 |
| nhtc-20190630_lab.xml | 533222 | 2019-08-07 10:16:43 |
| nhtc-20190630_pre.xml | 301064 | 2019-08-07 10:16:43 |
| nhtc20190630_10q.htm | 1370519 | 2019-08-07 10:16:43 |
| nhtc20190630_10q_htm.xml | 1094188 | 2019-08-07 10:16:43 |
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| report.css | 2767 | 2019-08-07 10:16:43 |
| Show.js | 1085 | 2019-08-07 10:16:43 |