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|---|---|---|
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| 0000912061-18-000022-index.html | 2018-05-02 09:08:47 | |
| 0000912061-18-000022.txt | 2018-05-02 09:08:47 | |
 0000912061-18-000022-xbrl.zip | 133700 | 2018-05-02 09:08:47 |
| ex31-1.htm | 11297 | 2018-05-02 09:08:47 |
| ex31-2.htm | 11349 | 2018-05-02 09:08:47 |
| ex32-1.htm | 11829 | 2018-05-02 09:08:47 |
| FilingSummary.xml | 24712 | 2018-05-02 09:08:47 |
| Financial_Report.xlsx | 45628 | 2018-05-02 09:08:47 |
| MetaLinks.json | 342306 | 2018-05-02 09:08:47 |
| nhtc-20180331.xsd | 27580 | 2018-05-02 09:08:47 |
| nhtc-20180331_cal.xml | 54667 | 2018-05-02 09:08:47 |
| nhtc-20180331_def.xml | 97826 | 2018-05-02 09:08:47 |
| nhtc-20180331_lab.xml | 353710 | 2018-05-02 09:08:47 |
| nhtc-20180331_pre.xml | 202287 | 2018-05-02 09:08:47 |
| nhtc20180502_10q.htm | 707240 | 2018-05-02 09:08:47 |
| nhtc20180502_10q_htm.xml | 534518 | 2018-05-02 09:08:47 |
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| R9.htm | 55923 | 2018-05-02 09:08:47 |
| report.css | 2767 | 2018-05-02 09:08:47 |
| Show.js | 1410 | 2018-05-02 09:08:47 |