Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-16-018616-index-headers.html | 2016-08-05 16:41:10 | |
| 0001628280-16-018616-index.html | 2016-08-05 16:41:10 | |
| 0001628280-16-018616.txt | 2016-08-05 16:41:10 | |
 0001628280-16-018616-xbrl.zip | 289210 | 2016-08-05 16:41:10 |
| FilingSummary.xml | 41624 | 2016-08-05 16:41:10 |
| Financial_Report.xlsx | 105855 | 2016-08-05 16:41:10 |
| gpor-06302016x10q.htm | 1974568 | 2016-08-05 16:41:10 |
| gpor-20160630.xml | 3532496 | 2016-08-05 16:41:10 |
| gpor-20160630.xsd | 63592 | 2016-08-05 16:41:10 |
| gpor-20160630xex311.htm | 12560 | 2016-08-05 16:41:10 |
| gpor-20160630xex312.htm | 12533 | 2016-08-05 16:41:10 |
| gpor-20160630xex321.htm | 6943 | 2016-08-05 16:41:10 |
| gpor-20160630xex322.htm | 6906 | 2016-08-05 16:41:10 |
| gpor-20160630_cal.xml | 90930 | 2016-08-05 16:41:10 |
| gpor-20160630_def.xml | 307274 | 2016-08-05 16:41:10 |
| gpor-20160630_lab.xml | 735135 | 2016-08-05 16:41:10 |
| gpor-20160630_pre.xml | 480584 | 2016-08-05 16:41:10 |
| R1.htm | 20410 | 2016-08-05 16:41:10 |
| R10.htm | 122299 | 2016-08-05 16:41:10 |
| R11.htm | 7537 | 2016-08-05 16:41:10 |
| R12.htm | 18517 | 2016-08-05 16:41:10 |
| R13.htm | 44190 | 2016-08-05 16:41:10 |
| R14.htm | 9764 | 2016-08-05 16:41:10 |
| R15.htm | 19854 | 2016-08-05 16:41:10 |
| R16.htm | 70937 | 2016-08-05 16:41:10 |
| R17.htm | 28985 | 2016-08-05 16:41:10 |
| R18.htm | 93201 | 2016-08-05 16:41:10 |
| R19.htm | 27206 | 2016-08-05 16:41:10 |
| R2.htm | 97118 | 2016-08-05 16:41:10 |
| R20.htm | 7548 | 2016-08-05 16:41:10 |
| R21.htm | 894280 | 2016-08-05 16:41:10 |
| R22.htm | 20109 | 2016-08-05 16:41:10 |
| R23.htm | 4661 | 2016-08-05 16:41:10 |
| R24.htm | 17255 | 2016-08-05 16:41:10 |
| R25.htm | 15723 | 2016-08-05 16:41:10 |
| R26.htm | 45783 | 2016-08-05 16:41:10 |
| R27.htm | 106769 | 2016-08-05 16:41:10 |
| R28.htm | 18435 | 2016-08-05 16:41:10 |
| R29.htm | 46919 | 2016-08-05 16:41:10 |
| R3.htm | 28085 | 2016-08-05 16:41:10 |
| R30.htm | 15643 | 2016-08-05 16:41:10 |
| R31.htm | 68746 | 2016-08-05 16:41:10 |
| R32.htm | 19063 | 2016-08-05 16:41:10 |
| R33.htm | 90580 | 2016-08-05 16:41:10 |
| R34.htm | 18788 | 2016-08-05 16:41:10 |
| R35.htm | 894925 | 2016-08-05 16:41:10 |
| R36.htm | 51136 | 2016-08-05 16:41:10 |
| R37.htm | 17746 | 2016-08-05 16:41:10 |
| R38.htm | 18300 | 2016-08-05 16:41:10 |
| R39.htm | 16759 | 2016-08-05 16:41:10 |
| R4.htm | 69718 | 2016-08-05 16:41:10 |
| R40.htm | 17634 | 2016-08-05 16:41:10 |
| R41.htm | 48693 | 2016-08-05 16:41:10 |
| R42.htm | 17493 | 2016-08-05 16:41:10 |
| R43.htm | 9069 | 2016-08-05 16:41:10 |
| R44.htm | 107919 | 2016-08-05 16:41:10 |
| R45.htm | 15121 | 2016-08-05 16:41:10 |
| R46.htm | 54942 | 2016-08-05 16:41:10 |
| R47.htm | 180800 | 2016-08-05 16:41:10 |
| R48.htm | 12830 | 2016-08-05 16:41:10 |
| R49.htm | 12021 | 2016-08-05 16:41:10 |
| R5.htm | 15254 | 2016-08-05 16:41:10 |
| R50.htm | 25060 | 2016-08-05 16:41:10 |
| R51.htm | 29400 | 2016-08-05 16:41:10 |
| R52.htm | 28283 | 2016-08-05 16:41:10 |
| R53.htm | 11499 | 2016-08-05 16:41:10 |
| R54.htm | 9985 | 2016-08-05 16:41:10 |
| R55.htm | 11536 | 2016-08-05 16:41:10 |
| R56.htm | 53091 | 2016-08-05 16:41:10 |
| R57.htm | 15375 | 2016-08-05 16:41:10 |
| R58.htm | 12023 | 2016-08-05 16:41:10 |
| R59.htm | 24971 | 2016-08-05 16:41:10 |
| R6.htm | 39837 | 2016-08-05 16:41:10 |
| R60.htm | 26596 | 2016-08-05 16:41:10 |
| R61.htm | 17418 | 2016-08-05 16:41:10 |
| R62.htm | 177151 | 2016-08-05 16:41:10 |
| R63.htm | 85751 | 2016-08-05 16:41:10 |
| R64.htm | 30009 | 2016-08-05 16:41:10 |
| R65.htm | 41383 | 2016-08-05 16:41:10 |
| R66.htm | 11350 | 2016-08-05 16:41:10 |
| R7.htm | 99399 | 2016-08-05 16:41:10 |
| R8.htm | 23959 | 2016-08-05 16:41:10 |
| R9.htm | 47557 | 2016-08-05 16:41:10 |
| report.css | 2767 | 2016-08-05 16:41:10 |
| Show.js | 1410 | 2016-08-05 16:41:10 |