Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001445866-20-000735-index-headers.html | 2020-05-26 14:22:07 | |
| 0001445866-20-000735-index.html | 2020-05-26 14:22:07 | |
| 0001445866-20-000735.txt | 2020-05-26 14:22:07 | |
 0001445866-20-000735-xbrl.zip | 48804 | 2020-05-26 14:22:07 |
| FilingSummary.xml | 12540 | 2020-05-26 14:22:07 |
| Financial_Report.xlsx | 22024 | 2020-05-26 14:22:07 |
| MetaLinks.json | 175112 | 2020-05-26 14:22:07 |
| nahd-20200331.htm | 262601 | 2020-05-26 14:22:07 |
| nahd-20200331.xsd | 11459 | 2020-05-26 14:22:07 |
| nahd-20200331_cal.xml | 14962 | 2020-05-26 14:22:07 |
| nahd-20200331_def.xml | 27620 | 2020-05-26 14:22:07 |
| nahd-20200331_htm.xml | 62817 | 2020-05-26 14:22:07 |
| nahd-20200331_lab.xml | 85374 | 2020-05-26 14:22:07 |
| nahd-20200331_pre.xml | 75884 | 2020-05-26 14:22:07 |
| nahd_ex31z1.htm | 7256 | 2020-05-26 14:22:07 |
| nahd_ex31z2.htm | 7154 | 2020-05-26 14:22:07 |
| nahd_ex32z1.htm | 4989 | 2020-05-26 14:22:07 |
| R1.htm | 50171 | 2020-05-26 14:22:07 |
| R10.htm | 9004 | 2020-05-26 14:22:07 |
| R11.htm | 6857 | 2020-05-26 14:22:07 |
| R12.htm | 5642 | 2020-05-26 14:22:07 |
| R13.htm | 6942 | 2020-05-26 14:22:07 |
| R14.htm | 4226 | 2020-05-26 14:22:07 |
| R15.htm | 16466 | 2020-05-26 14:22:07 |
| R16.htm | 25831 | 2020-05-26 14:22:07 |
| R17.htm | 6386 | 2020-05-26 14:22:07 |
| R2.htm | 61715 | 2020-05-26 14:22:07 |
| R3.htm | 18893 | 2020-05-26 14:22:07 |
| R4.htm | 38765 | 2020-05-26 14:22:07 |
| R5.htm | 22711 | 2020-05-26 14:22:07 |
| R6.htm | 36549 | 2020-05-26 14:22:07 |
| R7.htm | 12449 | 2020-05-26 14:22:07 |
| R8.htm | 5896 | 2020-05-26 14:22:07 |
| R9.htm | 6205 | 2020-05-26 14:22:07 |
| report.css | 2767 | 2020-05-26 14:22:07 |
| Show.js | 1085 | 2020-05-26 14:22:07 |