Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-19-001860-index-headers.html | 2019-03-12 17:04:50 | |
| 0001558370-19-001860-index.html | 2019-03-12 17:04:50 | |
| 0001558370-19-001860.txt | 2019-03-12 17:04:50 | |
 0001558370-19-001860-xbrl.zip | 127496 | 2019-03-12 17:04:50 |
| FilingSummary.xml | 26952 | 2019-03-12 17:04:50 |
| Financial_Report.xlsx | 64242 | 2019-03-12 17:04:50 |
| mrns-20181231.xml | 1481084 | 2019-03-12 17:04:50 |
| mrns-20181231.xsd | 35544 | 2019-03-12 17:04:50 |
| mrns-20181231ex102242fe8.htm | 101955 | 2019-03-12 17:04:50 |
| mrns-20181231ex2124afde8.htm | 1521 | 2019-03-12 17:04:50 |
| mrns-20181231ex231e0c503.htm | 4997 | 2019-03-12 17:04:50 |
| mrns-20181231ex311638918.htm | 16525 | 2019-03-12 17:04:50 |
| mrns-20181231ex312efb767.htm | 16545 | 2019-03-12 17:04:50 |
| mrns-20181231ex3215c57d2.htm | 9581 | 2019-03-12 17:04:50 |
| mrns-20181231x10k.htm | 2280599 | 2019-03-12 17:04:50 |
| mrns-20181231_cal.xml | 49266 | 2019-03-12 17:04:50 |
| mrns-20181231_def.xml | 164299 | 2019-03-12 17:04:50 |
| mrns-20181231_lab.xml | 426690 | 2019-03-12 17:04:50 |
| mrns-20181231_pre.xml | 296659 | 2019-03-12 17:04:50 |
 mrns20181231x10k001.jpg | 4468 | 2019-03-12 17:04:50 |
 mrns20181231x10k002.jpg | 57009 | 2019-03-12 17:04:50 |
 mrns20181231x10k003.jpg | 32271 | 2019-03-12 17:04:50 |
| R1.htm | 28232 | 2019-03-12 17:04:50 |
| R10.htm | 70849 | 2019-03-12 17:04:50 |
| R11.htm | 27579 | 2019-03-12 17:04:50 |
| R12.htm | 26415 | 2019-03-12 17:04:50 |
| R13.htm | 5606 | 2019-03-12 17:04:50 |
| R14.htm | 5616 | 2019-03-12 17:04:50 |
| R15.htm | 215976 | 2019-03-12 17:04:50 |
| R16.htm | 27632 | 2019-03-12 17:04:50 |
| R17.htm | 118019 | 2019-03-12 17:04:50 |
| R18.htm | 54194 | 2019-03-12 17:04:50 |
| R19.htm | 112956 | 2019-03-12 17:04:50 |
| R2.htm | 55756 | 2019-03-12 17:04:50 |
| R20.htm | 46222 | 2019-03-12 17:04:50 |
| R21.htm | 62816 | 2019-03-12 17:04:50 |
| R22.htm | 26989 | 2019-03-12 17:04:50 |
| R23.htm | 25830 | 2019-03-12 17:04:50 |
| R24.htm | 214391 | 2019-03-12 17:04:50 |
| R25.htm | 21561 | 2019-03-12 17:04:50 |
| R26.htm | 112384 | 2019-03-12 17:04:50 |
| R27.htm | 53889 | 2019-03-12 17:04:50 |
| R28.htm | 11838 | 2019-03-12 17:04:50 |
| R29.htm | 12430 | 2019-03-12 17:04:50 |
| R3.htm | 21282 | 2019-03-12 17:04:50 |
| R30.htm | 21188 | 2019-03-12 17:04:50 |
| R31.htm | 4607 | 2019-03-12 17:04:50 |
| R32.htm | 5658 | 2019-03-12 17:04:50 |
| R33.htm | 20676 | 2019-03-12 17:04:50 |
| R34.htm | 17737 | 2019-03-12 17:04:50 |
| R35.htm | 14062 | 2019-03-12 17:04:50 |
| R36.htm | 13461 | 2019-03-12 17:04:50 |
| R37.htm | 14855 | 2019-03-12 17:04:50 |
| R38.htm | 23444 | 2019-03-12 17:04:50 |
| R39.htm | 147648 | 2019-03-12 17:04:50 |
| R4.htm | 31474 | 2019-03-12 17:04:50 |
| R40.htm | 20058 | 2019-03-12 17:04:50 |
| R41.htm | 48527 | 2019-03-12 17:04:50 |
| R42.htm | 86652 | 2019-03-12 17:04:50 |
| R43.htm | 15354 | 2019-03-12 17:04:50 |
| R5.htm | 47555 | 2019-03-12 17:04:50 |
| R6.htm | 5675 | 2019-03-12 17:04:50 |
| R7.htm | 63743 | 2019-03-12 17:04:50 |
| R8.htm | 8380 | 2019-03-12 17:04:50 |
| R9.htm | 74225 | 2019-03-12 17:04:50 |
| report.css | 2767 | 2019-03-12 17:04:50 |
| Show.js | 1085 | 2019-03-12 17:04:50 |