Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001140361-24-036573-index-headers.html | 2024-08-09 13:35:02 | |
| 0001140361-24-036573-index.html | 2024-08-09 13:35:02 | |
| 0001140361-24-036573.txt | 2024-08-09 13:35:02 | |
 0001140361-24-036573-xbrl.zip | 374998 | 2024-08-09 13:35:02 |
| ef20029681_10q.htm | 4942105 | 2024-08-09 13:35:02 |
| ef20029681_10q_htm.xml | 6050918 | 2024-08-09 13:35:02 |
| ef20029681_ex31-1.htm | 7285 | 2024-08-09 13:35:02 |
| ef20029681_ex31-2.htm | 7459 | 2024-08-09 13:35:02 |
| ef20029681_ex32-1.htm | 4468 | 2024-08-09 13:35:02 |
| ef20029681_ex32-2.htm | 4369 | 2024-08-09 13:35:02 |
| FilingSummary.xml | 33506 | 2024-08-09 13:35:02 |
| Financial_Report.xlsx | 126405 | 2024-08-09 13:35:02 |
| fnrn-20240630.xsd | 59454 | 2024-08-09 13:35:02 |
| fnrn-20240630_cal.xml | 107686 | 2024-08-09 13:35:02 |
| fnrn-20240630_def.xml | 355583 | 2024-08-09 13:35:02 |
| fnrn-20240630_lab.xml | 969858 | 2024-08-09 13:35:02 |
| fnrn-20240630_pre.xml | 567028 | 2024-08-09 13:35:02 |
| MetaLinks.json | 839949 | 2024-08-09 13:35:02 |
| R1.htm | 46693 | 2024-08-09 13:35:02 |
| R10.htm | 17683 | 2024-08-09 13:35:02 |
| R11.htm | 225649 | 2024-08-09 13:35:02 |
| R12.htm | 1453411 | 2024-08-09 13:35:02 |
| R13.htm | 69605 | 2024-08-09 13:35:02 |
| R14.htm | 178541 | 2024-08-09 13:35:02 |
| R15.htm | 29996 | 2024-08-09 13:35:02 |
| R16.htm | 147980 | 2024-08-09 13:35:02 |
| R17.htm | 85275 | 2024-08-09 13:35:02 |
| R18.htm | 84410 | 2024-08-09 13:35:02 |
| R19.htm | 50681 | 2024-08-09 13:35:02 |
| R2.htm | 87388 | 2024-08-09 13:35:02 |
| R20.htm | 8470 | 2024-08-09 13:35:02 |
| R21.htm | 6342 | 2024-08-09 13:35:02 |
| R22.htm | 14954 | 2024-08-09 13:35:02 |
| R23.htm | 219105 | 2024-08-09 13:35:02 |
| R24.htm | 1447648 | 2024-08-09 13:35:02 |
| R25.htm | 56924 | 2024-08-09 13:35:02 |
| R26.htm | 167999 | 2024-08-09 13:35:02 |
| R27.htm | 20916 | 2024-08-09 13:35:02 |
| R28.htm | 136381 | 2024-08-09 13:35:02 |
| R29.htm | 83729 | 2024-08-09 13:35:02 |
| R3.htm | 22799 | 2024-08-09 13:35:02 |
| R30.htm | 77717 | 2024-08-09 13:35:02 |
| R31.htm | 47004 | 2024-08-09 13:35:02 |
| R32.htm | 46883 | 2024-08-09 13:35:02 |
| R33.htm | 41421 | 2024-08-09 13:35:02 |
| R34.htm | 54409 | 2024-08-09 13:35:02 |
| R35.htm | 35960 | 2024-08-09 13:35:02 |
| R36.htm | 68597 | 2024-08-09 13:35:02 |
| R37.htm | 78862 | 2024-08-09 13:35:02 |
| R38.htm | 5719 | 2024-08-09 13:35:02 |
| R39.htm | 91703 | 2024-08-09 13:35:02 |
| R4.htm | 113259 | 2024-08-09 13:35:02 |
| R40.htm | 46433 | 2024-08-09 13:35:02 |
| R41.htm | 32243 | 2024-08-09 13:35:02 |
| R42.htm | 329961 | 2024-08-09 13:35:02 |
| R43.htm | 47294 | 2024-08-09 13:35:02 |
| R44.htm | 65406 | 2024-08-09 13:35:02 |
| R45.htm | 9844 | 2024-08-09 13:35:02 |
| R46.htm | 41274 | 2024-08-09 13:35:02 |
| R47.htm | 27277 | 2024-08-09 13:35:02 |
| R48.htm | 10355 | 2024-08-09 13:35:02 |
| R49.htm | 57268 | 2024-08-09 13:35:02 |
| R5.htm | 30184 | 2024-08-09 13:35:02 |
| R50.htm | 38511 | 2024-08-09 13:35:02 |
| R51.htm | 46145 | 2024-08-09 13:35:02 |
| R52.htm | 27511 | 2024-08-09 13:35:02 |
| R53.htm | 59656 | 2024-08-09 13:35:02 |
| R54.htm | 49426 | 2024-08-09 13:35:02 |
| R6.htm | 7866 | 2024-08-09 13:35:02 |
| R7.htm | 133410 | 2024-08-09 13:35:02 |
| R8.htm | 116848 | 2024-08-09 13:35:02 |
| R9.htm | 7130 | 2024-08-09 13:35:02 |
| report.css | 2767 | 2024-08-09 13:35:02 |
| Show.js | 1085 | 2024-08-09 13:35:02 |