Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001354488-16-007751-index-headers.html | 2016-06-07 15:56:10 | |
| 0001354488-16-007751-index.html | 2016-06-07 15:56:10 | |
| 0001354488-16-007751.txt | 2016-06-07 15:56:10 | |
 0001354488-16-007751-xbrl.zip | 52151 | 2016-06-07 15:56:10 |
| FilingSummary.xml | 15879 | 2016-06-07 15:56:10 |
| Financial_Report.xlsx | 42129 | 2016-06-07 15:56:10 |
| nat69_10k.htm | 1976673 | 2016-06-07 15:56:10 |
| nat69_ex311.htm | 12583 | 2016-06-07 15:56:10 |
| nat69_ex312.htm | 12607 | 2016-06-07 15:56:10 |
| nat69_ex321.htm | 5144 | 2016-06-07 15:56:10 |
| nat69_ex322.htm | 5124 | 2016-06-07 15:56:10 |
| R1.htm | 26829 | 2016-06-07 15:56:10 |
| R10.htm | 44394 | 2016-06-07 15:56:10 |
| R11.htm | 4410 | 2016-06-07 15:56:10 |
| R12.htm | 68828 | 2016-06-07 15:56:10 |
| R13.htm | 39931 | 2016-06-07 15:56:10 |
| R14.htm | 8645 | 2016-06-07 15:56:10 |
| R15.htm | 43067 | 2016-06-07 15:56:10 |
| R16.htm | 10049 | 2016-06-07 15:56:10 |
| R17.htm | 15712 | 2016-06-07 15:56:10 |
| R18.htm | 40312 | 2016-06-07 15:56:10 |
| R19.htm | 24185 | 2016-06-07 15:56:10 |
| R2.htm | 29885 | 2016-06-07 15:56:10 |
| R20.htm | 7965 | 2016-06-07 15:56:10 |
| R21.htm | 8658 | 2016-06-07 15:56:10 |
| R22.htm | 6496 | 2016-06-07 15:56:10 |
| R23.htm | 29063 | 2016-06-07 15:56:10 |
| R24.htm | 5649 | 2016-06-07 15:56:10 |
| R3.htm | 9548 | 2016-06-07 15:56:10 |
| R4.htm | 39873 | 2016-06-07 15:56:10 |
| R5.htm | 12625 | 2016-06-07 15:56:10 |
| R6.htm | 36986 | 2016-06-07 15:56:10 |
| R7.htm | 39134 | 2016-06-07 15:56:10 |
| R8.htm | 43988 | 2016-06-07 15:56:10 |
| R9.htm | 16648 | 2016-06-07 15:56:10 |
| report.css | 2767 | 2016-06-07 15:56:10 |
| Show.js | 1410 | 2016-06-07 15:56:10 |
| wnchvi9-20160331.xml | 365198 | 2016-06-07 15:56:10 |
| wnchvi9-20160331.xsd | 17763 | 2016-06-07 15:56:10 |
| wnchvi9-20160331_cal.xml | 25809 | 2016-06-07 15:56:10 |
| wnchvi9-20160331_def.xml | 28829 | 2016-06-07 15:56:10 |
| wnchvi9-20160331_lab.xml | 102834 | 2016-06-07 15:56:10 |
| wnchvi9-20160331_pre.xml | 88515 | 2016-06-07 15:56:10 |