Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-22-012690-index-headers.html | 2022-05-05 16:32:40 | |
| 0001628280-22-012690-index.html | 2022-05-05 16:32:40 | |
| 0001628280-22-012690.txt | 2022-05-05 16:32:40 | |
 0001628280-22-012690-xbrl.zip | 294778 | 2022-05-05 16:32:40 |
| FilingSummary.xml | 28411 | 2022-05-05 16:32:40 |
| Financial_Report.xlsx | 81887 | 2022-05-05 16:32:40 |
| MetaLinks.json | 573147 | 2022-05-05 16:32:40 |
| ngm-20220331.htm | 1476308 | 2022-05-05 16:32:40 |
| ngm-20220331.xsd | 38160 | 2022-05-05 16:32:40 |
| ngm-20220331x10qex101.htm | 43077 | 2022-05-05 16:32:40 |
| ngm-20220331x10qex311.htm | 11193 | 2022-05-05 16:32:40 |
| ngm-20220331x10qex312.htm | 10937 | 2022-05-05 16:32:40 |
| ngm-20220331x10qex321.htm | 8513 | 2022-05-05 16:32:40 |
| ngm-20220331_cal.xml | 50530 | 2022-05-05 16:32:40 |
| ngm-20220331_def.xml | 168102 | 2022-05-05 16:32:40 |
| ngm-20220331_htm.xml | 1015032 | 2022-05-05 16:32:40 |
| ngm-20220331_lab.xml | 514895 | 2022-05-05 16:32:40 |
| ngm-20220331_pre.xml | 324344 | 2022-05-05 16:32:40 |
| R1.htm | 52355 | 2022-05-05 16:32:40 |
| R10.htm | 72950 | 2022-05-05 16:32:40 |
| R11.htm | 27604 | 2022-05-05 16:32:40 |
| R12.htm | 54585 | 2022-05-05 16:32:40 |
| R13.htm | 21783 | 2022-05-05 16:32:40 |
| R14.htm | 48468 | 2022-05-05 16:32:40 |
| R15.htm | 7179 | 2022-05-05 16:32:40 |
| R16.htm | 102826 | 2022-05-05 16:32:40 |
| R17.htm | 37625 | 2022-05-05 16:32:40 |
| R18.htm | 70262 | 2022-05-05 16:32:40 |
| R19.htm | 38833 | 2022-05-05 16:32:40 |
| R2.htm | 102605 | 2022-05-05 16:32:40 |
| R20.htm | 29906 | 2022-05-05 16:32:40 |
| R21.htm | 18675 | 2022-05-05 16:32:40 |
| R22.htm | 45932 | 2022-05-05 16:32:40 |
| R23.htm | 33888 | 2022-05-05 16:32:40 |
| R24.htm | 7990 | 2022-05-05 16:32:40 |
| R25.htm | 19805 | 2022-05-05 16:32:40 |
| R26.htm | 34125 | 2022-05-05 16:32:40 |
| R27.htm | 10335 | 2022-05-05 16:32:40 |
| R28.htm | 29380 | 2022-05-05 16:32:40 |
| R29.htm | 7332 | 2022-05-05 16:32:40 |
| R3.htm | 19713 | 2022-05-05 16:32:40 |
| R30.htm | 32317 | 2022-05-05 16:32:40 |
| R31.htm | 12563 | 2022-05-05 16:32:40 |
| R32.htm | 21564 | 2022-05-05 16:32:40 |
| R33.htm | 4802 | 2022-05-05 16:32:40 |
| R34.htm | 13292 | 2022-05-05 16:32:40 |
| R35.htm | 78596 | 2022-05-05 16:32:40 |
| R36.htm | 43434 | 2022-05-05 16:32:40 |
| R37.htm | 10652 | 2022-05-05 16:32:40 |
| R38.htm | 27055 | 2022-05-05 16:32:40 |
| R39.htm | 9257 | 2022-05-05 16:32:40 |
| R4.htm | 52767 | 2022-05-05 16:32:40 |
| R40.htm | 12388 | 2022-05-05 16:32:40 |
| R41.htm | 55215 | 2022-05-05 16:32:40 |
| R42.htm | 15522 | 2022-05-05 16:32:40 |
| R43.htm | 48263 | 2022-05-05 16:32:40 |
| R44.htm | 11847 | 2022-05-05 16:32:40 |
| R5.htm | 22713 | 2022-05-05 16:32:40 |
| R6.htm | 52082 | 2022-05-05 16:32:40 |
| R7.htm | 76847 | 2022-05-05 16:32:40 |
| R8.htm | 6048 | 2022-05-05 16:32:40 |
| R9.htm | 68661 | 2022-05-05 16:32:40 |
| report.css | 2767 | 2022-05-05 16:32:40 |
| Show.js | 1085 | 2022-05-05 16:32:40 |