Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001125345-20-000152-index-headers.html | 2020-11-04 16:04:50 | |
| 0001125345-20-000152-index.html | 2020-11-04 16:04:50 | |
| 0001125345-20-000152.txt | 2020-11-04 16:04:50 | |
 0001125345-20-000152-xbrl.zip | 183893 | 2020-11-04 16:04:50 |
| exhibit31-1q32020.htm | 9174 | 2020-11-04 16:04:50 |
| exhibit31-2q32020.htm | 9176 | 2020-11-04 16:04:50 |
| exhibit32-1q32020.htm | 4104 | 2020-11-04 16:04:50 |
| exhibit32-2q32020.htm | 3939 | 2020-11-04 16:04:50 |
| FilingSummary.xml | 19316 | 2020-11-04 16:04:50 |
| Financial_Report.xlsx | 55771 | 2020-11-04 16:04:50 |
| MetaLinks.json | 388780 | 2020-11-04 16:04:50 |
| mgnx-20200930.htm | 1035014 | 2020-11-04 16:04:50 |
| mgnx-20200930.xsd | 32125 | 2020-11-04 16:04:50 |
| mgnx-20200930_cal.xml | 45715 | 2020-11-04 16:04:50 |
| mgnx-20200930_def.xml | 187977 | 2020-11-04 16:04:50 |
| mgnx-20200930_htm.xml | 725513 | 2020-11-04 16:04:50 |
| mgnx-20200930_lab.xml | 412660 | 2020-11-04 16:04:50 |
| mgnx-20200930_pre.xml | 289998 | 2020-11-04 16:04:50 |
| R1.htm | 52218 | 2020-11-04 16:04:50 |
| R10.htm | 31984 | 2020-11-04 16:04:50 |
| R11.htm | 7082 | 2020-11-04 16:04:50 |
| R12.htm | 37319 | 2020-11-04 16:04:50 |
| R13.htm | 48649 | 2020-11-04 16:04:50 |
| R14.htm | 6003 | 2020-11-04 16:04:50 |
| R15.htm | 14176 | 2020-11-04 16:04:50 |
| R16.htm | 37559 | 2020-11-04 16:04:50 |
| R17.htm | 30386 | 2020-11-04 16:04:50 |
| R18.htm | 47440 | 2020-11-04 16:04:50 |
| R19.htm | 39270 | 2020-11-04 16:04:50 |
| R2.htm | 70353 | 2020-11-04 16:04:50 |
| R20.htm | 27037 | 2020-11-04 16:04:50 |
| R21.htm | 17253 | 2020-11-04 16:04:50 |
| R22.htm | 40169 | 2020-11-04 16:04:50 |
| R23.htm | 38054 | 2020-11-04 16:04:50 |
| R24.htm | 31643 | 2020-11-04 16:04:50 |
| R25.htm | 38274 | 2020-11-04 16:04:50 |
| R26.htm | 22341 | 2020-11-04 16:04:50 |
| R27.htm | 14022 | 2020-11-04 16:04:50 |
| R28.htm | 41850 | 2020-11-04 16:04:50 |
| R29.htm | 16356 | 2020-11-04 16:04:50 |
| R3.htm | 8502 | 2020-11-04 16:04:50 |
| R30.htm | 63342 | 2020-11-04 16:04:50 |
| R31.htm | 30696 | 2020-11-04 16:04:50 |
| R4.htm | 47752 | 2020-11-04 16:04:50 |
| R5.htm | 78353 | 2020-11-04 16:04:50 |
| R6.htm | 68533 | 2020-11-04 16:04:50 |
| R7.htm | 10138 | 2020-11-04 16:04:50 |
| R8.htm | 11857 | 2020-11-04 16:04:50 |
| R9.htm | 42714 | 2020-11-04 16:04:50 |
| report.css | 2767 | 2020-11-04 16:04:50 |
| Show.js | 1085 | 2020-11-04 16:04:50 |