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 0001445866-18-000397-index-headers.html | 2018-04-17 14:00:22 | |
| 0001445866-18-000397-index.html | 2018-04-17 14:00:22 | |
| 0001445866-18-000397.txt | 2018-04-17 14:00:22 | |
 0001445866-18-000397-xbrl.zip | 130927 | 2018-04-17 14:00:22 |
| FilingSummary.xml | 22104 | 2018-04-17 14:00:22 |
| Financial_Report.xlsx | 37527 | 2018-04-17 14:00:22 |
| MetaLinks.json | 251525 | 2018-04-17 14:00:22 |
| nahd-20171231.htm | 809160 | 2018-04-17 14:00:22 |
| nahd-20171231.xsd | 21438 | 2018-04-17 14:00:22 |
| nahd-20171231_cal.xml | 24047 | 2018-04-17 14:00:22 |
| nahd-20171231_def.xml | 67525 | 2018-04-17 14:00:22 |
| nahd-20171231_htm.xml | 271355 | 2018-04-17 14:00:22 |
| nahd-20171231_lab.xml | 142052 | 2018-04-17 14:00:22 |
| nahd-20171231_pre.xml | 135798 | 2018-04-17 14:00:22 |
 nahd201712311.jpg | 25417 | 2018-04-17 14:00:22 |
 nahd201712312.jpg | 39025 | 2018-04-17 14:00:22 |
| nahd_ex21z1.htm | 2874 | 2018-04-17 14:00:22 |
| nahd_ex31z1.htm | 7370 | 2018-04-17 14:00:22 |
| nahd_ex31z2.htm | 7378 | 2018-04-17 14:00:22 |
| nahd_ex32z1.htm | 4263 | 2018-04-17 14:00:22 |
| R1.htm | 44453 | 2018-04-17 14:00:22 |
| R10.htm | 6752 | 2018-04-17 14:00:22 |
| R11.htm | 16658 | 2018-04-17 14:00:22 |
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| R6.htm | 52784 | 2018-04-17 14:00:22 |
| R7.htm | 54360 | 2018-04-17 14:00:22 |
| R8.htm | 6512 | 2018-04-17 14:00:22 |
| R9.htm | 24989 | 2018-04-17 14:00:22 |
| report.css | 2767 | 2018-04-17 14:00:22 |
| Show.js | 1410 | 2018-04-17 14:00:22 |