Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001171843-22-006414-index-headers.html | 2022-10-04 17:06:42 | |
| 0001171843-22-006414-index.html | 2022-10-04 17:06:42 | |
| 0001171843-22-006414.txt | 2022-10-04 17:06:42 | |
 0001171843-22-006414-xbrl.zip | 109317 | 2022-10-04 17:06:42 |
| ex_426592.htm | 13772 | 2022-10-04 17:06:42 |
| ex_426593.htm | 13920 | 2022-10-04 17:06:42 |
| ex_426594.htm | 5045 | 2022-10-04 17:06:42 |
| ex_426595.htm | 5460 | 2022-10-04 17:06:42 |
| FilingSummary.xml | 30417 | 2022-10-04 17:06:42 |
| Financial_Report.xlsx | 57077 | 2022-10-04 17:06:42 |
 logo.jpg | 3878 | 2022-10-04 17:06:42 |
| MetaLinks.json | 424044 | 2022-10-04 17:06:42 |
| ng-20220831.xsd | 44282 | 2022-10-04 17:06:42 |
| ng-20220831_cal.xml | 40095 | 2022-10-04 17:06:42 |
| ng-20220831_def.xml | 273229 | 2022-10-04 17:06:42 |
| ng-20220831_lab.xml | 241277 | 2022-10-04 17:06:42 |
| ng-20220831_pre.xml | 299205 | 2022-10-04 17:06:42 |
| ng20220831_10q.htm | 796075 | 2022-10-04 17:06:42 |
| ng20220831_10q_htm.xml | 628336 | 2022-10-04 17:06:42 |
| R1.htm | 50015 | 2022-10-04 17:06:42 |
| R10.htm | 40803 | 2022-10-04 17:06:42 |
| R11.htm | 18437 | 2022-10-04 17:06:42 |
| R12.htm | 9629 | 2022-10-04 17:06:42 |
| R13.htm | 16311 | 2022-10-04 17:06:42 |
| R14.htm | 9728 | 2022-10-04 17:06:42 |
| R15.htm | 22928 | 2022-10-04 17:06:42 |
| R16.htm | 17381 | 2022-10-04 17:06:42 |
| R17.htm | 70987 | 2022-10-04 17:06:42 |
| R18.htm | 13246 | 2022-10-04 17:06:42 |
| R19.htm | 15897 | 2022-10-04 17:06:42 |
| R2.htm | 86013 | 2022-10-04 17:06:42 |
| R20.htm | 38209 | 2022-10-04 17:06:42 |
| R21.htm | 18062 | 2022-10-04 17:06:42 |
| R22.htm | 15580 | 2022-10-04 17:06:42 |
| R23.htm | 22392 | 2022-10-04 17:06:42 |
| R24.htm | 16602 | 2022-10-04 17:06:42 |
| R25.htm | 74634 | 2022-10-04 17:06:42 |
| R26.htm | 12996 | 2022-10-04 17:06:42 |
| R27.htm | 13105 | 2022-10-04 17:06:42 |
| R28.htm | 4850 | 2022-10-04 17:06:42 |
| R29.htm | 28558 | 2022-10-04 17:06:42 |
| R3.htm | 60920 | 2022-10-04 17:06:42 |
| R30.htm | 14199 | 2022-10-04 17:06:42 |
| R31.htm | 42856 | 2022-10-04 17:06:42 |
| R32.htm | 18022 | 2022-10-04 17:06:42 |
| R33.htm | 15705 | 2022-10-04 17:06:42 |
| R34.htm | 14216 | 2022-10-04 17:06:42 |
| R35.htm | 3508 | 2022-10-04 17:06:42 |
| R36.htm | 15820 | 2022-10-04 17:06:42 |
| R37.htm | 9936 | 2022-10-04 17:06:42 |
| R38.htm | 12837 | 2022-10-04 17:06:42 |
| R39.htm | 8628 | 2022-10-04 17:06:42 |
| R4.htm | 65797 | 2022-10-04 17:06:42 |
| R40.htm | 33383 | 2022-10-04 17:06:42 |
| R41.htm | 18504 | 2022-10-04 17:06:42 |
| R42.htm | 27738 | 2022-10-04 17:06:42 |
| R43.htm | 12036 | 2022-10-04 17:06:42 |
| R44.htm | 11270 | 2022-10-04 17:06:42 |
| R5.htm | 85610 | 2022-10-04 17:06:42 |
| R6.htm | 7988 | 2022-10-04 17:06:42 |
| R7.htm | 10758 | 2022-10-04 17:06:42 |
| R8.htm | 9381 | 2022-10-04 17:06:42 |
| R9.htm | 6761 | 2022-10-04 17:06:42 |
| report.css | 2767 | 2022-10-04 17:06:42 |
| Show.js | 1085 | 2022-10-04 17:06:42 |