Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-23-013892-index-headers.html | 2023-08-08 15:18:32 | |
| 0001558370-23-013892-index.html | 2023-08-08 15:18:32 | |
| 0001558370-23-013892.txt | 2023-08-08 15:18:32 | |
 0001558370-23-013892-xbrl.zip | 324114 | 2023-08-08 15:18:32 |
| FilingSummary.xml | 44734 | 2023-08-08 15:18:32 |
| Financial_Report.xlsx | 144395 | 2023-08-08 15:18:32 |
| MetaLinks.json | 745658 | 2023-08-08 15:18:32 |
| nen-20230630.xsd | 80881 | 2023-08-08 15:18:32 |
| nen-20230630x10q.htm | 3143540 | 2023-08-08 15:18:32 |
| nen-20230630x10q_htm.xml | 3974527 | 2023-08-08 15:18:32 |
| nen-20230630xex31d1.htm | 15216 | 2023-08-08 15:18:32 |
| nen-20230630xex31d2.htm | 15663 | 2023-08-08 15:18:32 |
| nen-20230630xex32d1.htm | 12059 | 2023-08-08 15:18:32 |
| nen-20230630_cal.xml | 44733 | 2023-08-08 15:18:32 |
| nen-20230630_def.xml | 393786 | 2023-08-08 15:18:32 |
| nen-20230630_lab.xml | 573915 | 2023-08-08 15:18:32 |
| nen-20230630_pre.xml | 562816 | 2023-08-08 15:18:32 |
| R1.htm | 55353 | 2023-08-08 15:18:32 |
| R10.htm | 10939 | 2023-08-08 15:18:32 |
| R11.htm | 6231 | 2023-08-08 15:18:32 |
| R12.htm | 32770 | 2023-08-08 15:18:32 |
| R13.htm | 5073 | 2023-08-08 15:18:32 |
| R14.htm | 18368 | 2023-08-08 15:18:32 |
| R15.htm | 13258 | 2023-08-08 15:18:32 |
| R16.htm | 6322 | 2023-08-08 15:18:32 |
| R17.htm | 59018 | 2023-08-08 15:18:32 |
| R18.htm | 5182 | 2023-08-08 15:18:32 |
| R19.htm | 42268 | 2023-08-08 15:18:32 |
| R2.htm | 55458 | 2023-08-08 15:18:32 |
| R20.htm | 91026 | 2023-08-08 15:18:32 |
| R21.htm | 9801 | 2023-08-08 15:18:32 |
| R22.htm | 1111862 | 2023-08-08 15:18:32 |
| R23.htm | 9814 | 2023-08-08 15:18:32 |
| R24.htm | 15026 | 2023-08-08 15:18:32 |
| R25.htm | 6529 | 2023-08-08 15:18:32 |
| R26.htm | 71780 | 2023-08-08 15:18:32 |
| R27.htm | 56113 | 2023-08-08 15:18:32 |
| R28.htm | 17235 | 2023-08-08 15:18:32 |
| R29.htm | 15042 | 2023-08-08 15:18:32 |
| R3.htm | 5298 | 2023-08-08 15:18:32 |
| R30.htm | 10808 | 2023-08-08 15:18:32 |
| R31.htm | 58073 | 2023-08-08 15:18:32 |
| R32.htm | 32639 | 2023-08-08 15:18:32 |
| R33.htm | 90584 | 2023-08-08 15:18:32 |
| R34.htm | 1102907 | 2023-08-08 15:18:32 |
| R35.htm | 38151 | 2023-08-08 15:18:32 |
| R36.htm | 90320 | 2023-08-08 15:18:32 |
| R37.htm | 164808 | 2023-08-08 15:18:32 |
| R38.htm | 70085 | 2023-08-08 15:18:32 |
| R39.htm | 18770 | 2023-08-08 15:18:32 |
| R4.htm | 72912 | 2023-08-08 15:18:32 |
| R40.htm | 44876 | 2023-08-08 15:18:32 |
| R41.htm | 38479 | 2023-08-08 15:18:32 |
| R42.htm | 48917 | 2023-08-08 15:18:32 |
| R43.htm | 7361 | 2023-08-08 15:18:32 |
| R44.htm | 35725 | 2023-08-08 15:18:32 |
| R45.htm | 40274 | 2023-08-08 15:18:32 |
| R46.htm | 23106 | 2023-08-08 15:18:32 |
| R47.htm | 12861 | 2023-08-08 15:18:32 |
| R48.htm | 32153 | 2023-08-08 15:18:32 |
| R49.htm | 7553 | 2023-08-08 15:18:32 |
| R5.htm | 22521 | 2023-08-08 15:18:32 |
| R50.htm | 7322 | 2023-08-08 15:18:32 |
| R51.htm | 30599 | 2023-08-08 15:18:32 |
| R52.htm | 12527 | 2023-08-08 15:18:32 |
| R53.htm | 9875 | 2023-08-08 15:18:32 |
| R54.htm | 14245 | 2023-08-08 15:18:32 |
| R55.htm | 9096 | 2023-08-08 15:18:32 |
| R56.htm | 25022 | 2023-08-08 15:18:32 |
| R57.htm | 43405 | 2023-08-08 15:18:32 |
| R58.htm | 57579 | 2023-08-08 15:18:32 |
| R59.htm | 44752 | 2023-08-08 15:18:32 |
| R6.htm | 52363 | 2023-08-08 15:18:32 |
| R60.htm | 38512 | 2023-08-08 15:18:32 |
| R61.htm | 47084 | 2023-08-08 15:18:32 |
| R62.htm | 45713 | 2023-08-08 15:18:32 |
| R63.htm | 209711 | 2023-08-08 15:18:32 |
| R64.htm | 173912 | 2023-08-08 15:18:32 |
| R65.htm | 58205 | 2023-08-08 15:18:32 |
| R66.htm | 15997 | 2023-08-08 15:18:32 |
| R67.htm | 39066 | 2023-08-08 15:18:32 |
| R7.htm | 77275 | 2023-08-08 15:18:32 |
| R8.htm | 33902 | 2023-08-08 15:18:32 |
| R9.htm | 60300 | 2023-08-08 15:18:32 |
| report.css | 2767 | 2023-08-08 15:18:32 |
| Show.js | 1085 | 2023-08-08 15:18:32 |