Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-19-009836-index-headers.html | 2019-08-02 12:26:30 | |
| 0001628280-19-009836-index.html | 2019-08-02 12:26:30 | |
| 0001628280-19-009836.txt | 2019-08-02 12:26:30 | |
 0001628280-19-009836-xbrl.zip | 416457 | 2019-08-02 12:26:30 |
| FilingSummary.xml | 44802 | 2019-08-02 12:26:30 |
| Financial_Report.xlsx | 103417 | 2019-08-02 12:26:30 |
| gpor-06302019x10xq.htm | 2850565 | 2019-08-02 12:26:30 |
| gpor-06302019x10xq_htm.xml | 3648448 | 2019-08-02 12:26:30 |
| gpor-06302019xex102.htm | 105257 | 2019-08-02 12:26:30 |
| gpor-06302019xex103.htm | 193210 | 2019-08-02 12:26:30 |
| gpor-06302019xex104.htm | 176484 | 2019-08-02 12:26:30 |
| gpor-06302019xex105.htm | 177445 | 2019-08-02 12:26:30 |
| gpor-06302019xex311.htm | 12564 | 2019-08-02 12:26:30 |
| gpor-06302019xex312.htm | 12532 | 2019-08-02 12:26:30 |
| gpor-06302019xex321.htm | 6966 | 2019-08-02 12:26:30 |
| gpor-06302019xex322.htm | 6918 | 2019-08-02 12:26:30 |
| gpor-20190630.xsd | 56188 | 2019-08-02 12:26:30 |
| gpor-20190630_cal.xml | 110397 | 2019-08-02 12:26:30 |
| gpor-20190630_def.xml | 314030 | 2019-08-02 12:26:30 |
| gpor-20190630_lab.xml | 757299 | 2019-08-02 12:26:30 |
| gpor-20190630_pre.xml | 501186 | 2019-08-02 12:26:30 |
| MetaLinks.json | 659178 | 2019-08-02 12:26:30 |
| R1.htm | 52221 | 2019-08-02 12:26:30 |
| R10.htm | 88008 | 2019-08-02 12:26:30 |
| R11.htm | 26757 | 2019-08-02 12:26:30 |
| R12.htm | 9085 | 2019-08-02 12:26:30 |
| R13.htm | 31197 | 2019-08-02 12:26:30 |
| R14.htm | 61785 | 2019-08-02 12:26:30 |
| R15.htm | 36813 | 2019-08-02 12:26:30 |
| R16.htm | 94047 | 2019-08-02 12:26:30 |
| R17.htm | 34422 | 2019-08-02 12:26:30 |
| R18.htm | 6786 | 2019-08-02 12:26:30 |
| R19.htm | 9493 | 2019-08-02 12:26:30 |
| R2.htm | 100695 | 2019-08-02 12:26:30 |
| R20.htm | 35488 | 2019-08-02 12:26:30 |
| R21.htm | 11217 | 2019-08-02 12:26:30 |
| R22.htm | 862804 | 2019-08-02 12:26:30 |
| R23.htm | 13899 | 2019-08-02 12:26:30 |
| R24.htm | 6920 | 2019-08-02 12:26:30 |
| R25.htm | 13520 | 2019-08-02 12:26:30 |
| R26.htm | 43254 | 2019-08-02 12:26:30 |
| R27.htm | 77502 | 2019-08-02 12:26:30 |
| R28.htm | 28280 | 2019-08-02 12:26:30 |
| R29.htm | 24394 | 2019-08-02 12:26:30 |
| R3.htm | 26145 | 2019-08-02 12:26:30 |
| R30.htm | 62010 | 2019-08-02 12:26:30 |
| R31.htm | 26819 | 2019-08-02 12:26:30 |
| R32.htm | 122153 | 2019-08-02 12:26:30 |
| R33.htm | 27352 | 2019-08-02 12:26:30 |
| R34.htm | 29495 | 2019-08-02 12:26:30 |
| R35.htm | 865777 | 2019-08-02 12:26:30 |
| R36.htm | 18567 | 2019-08-02 12:26:30 |
| R37.htm | 22257 | 2019-08-02 12:26:30 |
| R38.htm | 16750 | 2019-08-02 12:26:30 |
| R39.htm | 19839 | 2019-08-02 12:26:30 |
| R4.htm | 79540 | 2019-08-02 12:26:30 |
| R40.htm | 33428 | 2019-08-02 12:26:30 |
| R41.htm | 15208 | 2019-08-02 12:26:30 |
| R42.htm | 8436 | 2019-08-02 12:26:30 |
| R43.htm | 60020 | 2019-08-02 12:26:30 |
| R44.htm | 34025 | 2019-08-02 12:26:30 |
| R45.htm | 50144 | 2019-08-02 12:26:30 |
| R46.htm | 34737 | 2019-08-02 12:26:30 |
| R47.htm | 34711 | 2019-08-02 12:26:30 |
| R48.htm | 31157 | 2019-08-02 12:26:30 |
| R49.htm | 28780 | 2019-08-02 12:26:30 |
| R5.htm | 16101 | 2019-08-02 12:26:30 |
| R50.htm | 21031 | 2019-08-02 12:26:30 |
| R51.htm | 29138 | 2019-08-02 12:26:30 |
| R52.htm | 10299 | 2019-08-02 12:26:30 |
| R53.htm | 8873 | 2019-08-02 12:26:30 |
| R54.htm | 32597 | 2019-08-02 12:26:30 |
| R55.htm | 11694 | 2019-08-02 12:26:30 |
| R56.htm | 11724 | 2019-08-02 12:26:30 |
| R57.htm | 19198 | 2019-08-02 12:26:30 |
| R58.htm | 19053 | 2019-08-02 12:26:30 |
| R59.htm | 19638 | 2019-08-02 12:26:30 |
| R6.htm | 57660 | 2019-08-02 12:26:30 |
| R60.htm | 9763 | 2019-08-02 12:26:30 |
| R61.htm | 25986 | 2019-08-02 12:26:30 |
| R62.htm | 19690 | 2019-08-02 12:26:30 |
| R63.htm | 14029 | 2019-08-02 12:26:30 |
| R64.htm | 8377 | 2019-08-02 12:26:30 |
| R65.htm | 20712 | 2019-08-02 12:26:30 |
| R66.htm | 207772 | 2019-08-02 12:26:30 |
| R67.htm | 110412 | 2019-08-02 12:26:30 |
| R68.htm | 34037 | 2019-08-02 12:26:30 |
| R69.htm | 33481 | 2019-08-02 12:26:30 |
| R7.htm | 97098 | 2019-08-02 12:26:30 |
| R70.htm | 15229 | 2019-08-02 12:26:30 |
| R8.htm | 6227 | 2019-08-02 12:26:30 |
| R9.htm | 44548 | 2019-08-02 12:26:30 |
| report.css | 2767 | 2019-08-02 12:26:30 |
| Show.js | 1085 | 2019-08-02 12:26:30 |