Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001445305-13-000511-index-headers.html | 2013-03-07 11:30:48 | |
| 0001445305-13-000511-index.html | 2013-03-07 11:30:48 | |
| 0001445305-13-000511.txt | 2013-03-07 11:30:48 | |
 0001445305-13-000511-xbrl.zip | 182315 | 2013-03-07 11:30:48 |
| FilingSummary.xml | 34413 | 2013-03-07 11:30:48 |
| Financial_Report.xls | 994032 | 2013-03-07 11:30:48 |
| nx-20130131.xml | 1147713 | 2013-03-07 11:30:48 |
| nx-20130131.xsd | 50540 | 2013-03-07 11:30:48 |
| nx-20130131_cal.xml | 94150 | 2013-03-07 11:30:48 |
| nx-20130131_def.xml | 275074 | 2013-03-07 11:30:48 |
| nx-20130131_lab.xml | 669487 | 2013-03-07 11:30:48 |
| nx-20130131_pre.xml | 393835 | 2013-03-07 11:30:48 |
| nx0131201310-q.htm | 935616 | 2013-03-07 11:30:48 |
| nx01312013ex311.htm | 12307 | 2013-03-07 11:30:48 |
| nx01312013ex312.htm | 12300 | 2013-03-07 11:30:48 |
| nx01312013ex321.htm | 5611 | 2013-03-07 11:30:48 |
| R1.htm | 28821 | 2013-03-07 11:30:48 |
| R10.htm | 10812 | 2013-03-07 11:30:48 |
| R11.htm | 32034 | 2013-03-07 11:30:48 |
| R12.htm | 49782 | 2013-03-07 11:30:48 |
| R13.htm | 28127 | 2013-03-07 11:30:48 |
| R14.htm | 11073 | 2013-03-07 11:30:48 |
| R15.htm | 27012 | 2013-03-07 11:30:48 |
| R16.htm | 27307 | 2013-03-07 11:30:48 |
| R17.htm | 48164 | 2013-03-07 11:30:48 |
| R18.htm | 76157 | 2013-03-07 11:30:48 |
| R19.htm | 13916 | 2013-03-07 11:30:48 |
| R2.htm | 133955 | 2013-03-07 11:30:48 |
| R20.htm | 32620 | 2013-03-07 11:30:48 |
| R21.htm | 14369 | 2013-03-07 11:30:48 |
| R22.htm | 148267 | 2013-03-07 11:30:48 |
| R23.htm | 19973 | 2013-03-07 11:30:48 |
| R24.htm | 22427 | 2013-03-07 11:30:48 |
| R25.htm | 50491 | 2013-03-07 11:30:48 |
| R26.htm | 25547 | 2013-03-07 11:30:48 |
| R27.htm | 19869 | 2013-03-07 11:30:48 |
| R28.htm | 18804 | 2013-03-07 11:30:48 |
| R29.htm | 43019 | 2013-03-07 11:30:48 |
| R3.htm | 29584 | 2013-03-07 11:30:48 |
| R30.htm | 69546 | 2013-03-07 11:30:48 |
| R31.htm | 23144 | 2013-03-07 11:30:48 |
| R32.htm | 13217 | 2013-03-07 11:30:48 |
| R33.htm | 150280 | 2013-03-07 11:30:48 |
| R34.htm | 19376 | 2013-03-07 11:30:48 |
| R35.htm | 4987 | 2013-03-07 11:30:48 |
| R36.htm | 22479 | 2013-03-07 11:30:48 |
| R37.htm | 54349 | 2013-03-07 11:30:48 |
| R38.htm | 16510 | 2013-03-07 11:30:48 |
| R39.htm | 15148 | 2013-03-07 11:30:48 |
| R4.htm | 67895 | 2013-03-07 11:30:48 |
| R40.htm | 14370 | 2013-03-07 11:30:48 |
| R41.htm | 16031 | 2013-03-07 11:30:48 |
| R42.htm | 16139 | 2013-03-07 11:30:48 |
| R43.htm | 12214 | 2013-03-07 11:30:48 |
| R44.htm | 9699 | 2013-03-07 11:30:48 |
| R45.htm | 10864 | 2013-03-07 11:30:48 |
| R46.htm | 20339 | 2013-03-07 11:30:48 |
| R47.htm | 26888 | 2013-03-07 11:30:48 |
| R48.htm | 6153 | 2013-03-07 11:30:48 |
| R49.htm | 24268 | 2013-03-07 11:30:48 |
| R5.htm | 27199 | 2013-03-07 11:30:48 |
| R50.htm | 4791 | 2013-03-07 11:30:48 |
| R51.htm | 12732 | 2013-03-07 11:30:48 |
| R52.htm | 16325 | 2013-03-07 11:30:48 |
| R53.htm | 49501 | 2013-03-07 11:30:48 |
| R54.htm | 34197 | 2013-03-07 11:30:48 |
| R55.htm | 21949 | 2013-03-07 11:30:48 |
| R56.htm | 66769 | 2013-03-07 11:30:48 |
| R57.htm | 26686 | 2013-03-07 11:30:48 |
| R58.htm | 27536 | 2013-03-07 11:30:48 |
| R59.htm | 28877 | 2013-03-07 11:30:48 |
| R6.htm | 116031 | 2013-03-07 11:30:48 |
| R60.htm | 20699 | 2013-03-07 11:30:48 |
| R61.htm | 10951 | 2013-03-07 11:30:48 |
| R62.htm | 18002 | 2013-03-07 11:30:48 |
| R63.htm | 31889 | 2013-03-07 11:30:48 |
| R64.htm | 51119 | 2013-03-07 11:30:48 |
| R65.htm | 14762 | 2013-03-07 11:30:48 |
| R66.htm | 18855 | 2013-03-07 11:30:48 |
| R7.htm | 44283 | 2013-03-07 11:30:48 |
| R8.htm | 7727 | 2013-03-07 11:30:48 |
| R9.htm | 15066 | 2013-03-07 11:30:48 |
| report.css | 2721 | 2013-03-07 11:30:48 |
| Show.js | 6423 | 2013-03-07 11:30:48 |