Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000746210-19-000009-index-headers.html | 2019-03-08 16:34:11 | |
| 0000746210-19-000009-index.html | 2019-03-08 16:34:11 | |
| 0000746210-19-000009.txt | 2019-03-08 16:34:11 | |
 0000746210-19-000009-xbrl.zip | 247154 | 2019-03-08 16:34:11 |
| FilingSummary.xml | 45776 | 2019-03-08 16:34:11 |
| Financial_Report.xlsx | 98998 | 2019-03-08 16:34:11 |
| glow-20181231.xml | 1304470 | 2019-03-08 16:34:11 |
| glow-20181231.xsd | 61049 | 2019-03-08 16:34:11 |
| glow-20181231x10k.htm | 1552940 | 2019-03-08 16:34:11 |
| glow-20181231_cal.xml | 98711 | 2019-03-08 16:34:11 |
| glow-20181231_def.xml | 435166 | 2019-03-08 16:34:11 |
| glow-20181231_lab.xml | 833963 | 2019-03-08 16:34:11 |
| glow-20181231_pre.xml | 581938 | 2019-03-08 16:34:11 |
| glow2018-ex231.htm | 3556 | 2019-03-08 16:34:11 |
| glow2018-ex311.htm | 11364 | 2019-03-08 16:34:11 |
| glow2018-ex312.htm | 11457 | 2019-03-08 16:34:11 |
| glow2018-ex321.htm | 5042 | 2019-03-08 16:34:11 |
| R1.htm | 34029 | 2019-03-08 16:34:11 |
| R10.htm | 15882 | 2019-03-08 16:34:11 |
| R11.htm | 26524 | 2019-03-08 16:34:11 |
| R12.htm | 7609 | 2019-03-08 16:34:11 |
| R13.htm | 32261 | 2019-03-08 16:34:11 |
| R14.htm | 25352 | 2019-03-08 16:34:11 |
| R15.htm | 40421 | 2019-03-08 16:34:11 |
| R16.htm | 6969 | 2019-03-08 16:34:11 |
| R17.htm | 23222 | 2019-03-08 16:34:11 |
| R18.htm | 116376 | 2019-03-08 16:34:11 |
| R19.htm | 46444 | 2019-03-08 16:34:11 |
| R2.htm | 70562 | 2019-03-08 16:34:11 |
| R20.htm | 10707 | 2019-03-08 16:34:11 |
| R21.htm | 7011 | 2019-03-08 16:34:11 |
| R22.htm | 34839 | 2019-03-08 16:34:11 |
| R23.htm | 68425 | 2019-03-08 16:34:11 |
| R24.htm | 5472 | 2019-03-08 16:34:11 |
| R25.htm | 7431 | 2019-03-08 16:34:11 |
| R26.htm | 9888 | 2019-03-08 16:34:11 |
| R27.htm | 76316 | 2019-03-08 16:34:11 |
| R28.htm | 16298 | 2019-03-08 16:34:11 |
| R29.htm | 24422 | 2019-03-08 16:34:11 |
| R3.htm | 31747 | 2019-03-08 16:34:11 |
| R30.htm | 30451 | 2019-03-08 16:34:11 |
| R31.htm | 24005 | 2019-03-08 16:34:11 |
| R32.htm | 19294 | 2019-03-08 16:34:11 |
| R33.htm | 110501 | 2019-03-08 16:34:11 |
| R34.htm | 45811 | 2019-03-08 16:34:11 |
| R35.htm | 9069 | 2019-03-08 16:34:11 |
| R36.htm | 36389 | 2019-03-08 16:34:11 |
| R37.htm | 66715 | 2019-03-08 16:34:11 |
| R38.htm | 65171 | 2019-03-08 16:34:11 |
| R39.htm | 37460 | 2019-03-08 16:34:11 |
| R4.htm | 64615 | 2019-03-08 16:34:11 |
| R40.htm | 13450 | 2019-03-08 16:34:11 |
| R41.htm | 32131 | 2019-03-08 16:34:11 |
| R42.htm | 9461 | 2019-03-08 16:34:11 |
| R43.htm | 7611 | 2019-03-08 16:34:11 |
| R44.htm | 18628 | 2019-03-08 16:34:11 |
| R45.htm | 22398 | 2019-03-08 16:34:11 |
| R46.htm | 17524 | 2019-03-08 16:34:11 |
| R47.htm | 29832 | 2019-03-08 16:34:11 |
| R48.htm | 20082 | 2019-03-08 16:34:11 |
| R49.htm | 20652 | 2019-03-08 16:34:11 |
| R5.htm | 77212 | 2019-03-08 16:34:11 |
| R50.htm | 35847 | 2019-03-08 16:34:11 |
| R51.htm | 27081 | 2019-03-08 16:34:11 |
| R52.htm | 32984 | 2019-03-08 16:34:11 |
| R53.htm | 57025 | 2019-03-08 16:34:11 |
| R54.htm | 13289 | 2019-03-08 16:34:11 |
| R55.htm | 105512 | 2019-03-08 16:34:11 |
| R56.htm | 83281 | 2019-03-08 16:34:11 |
| R57.htm | 25312 | 2019-03-08 16:34:11 |
| R58.htm | 36242 | 2019-03-08 16:34:11 |
| R59.htm | 21101 | 2019-03-08 16:34:11 |
| R6.htm | 86702 | 2019-03-08 16:34:11 |
| R60.htm | 12998 | 2019-03-08 16:34:11 |
| R61.htm | 25723 | 2019-03-08 16:34:11 |
| R62.htm | 15151 | 2019-03-08 16:34:11 |
| R63.htm | 9576 | 2019-03-08 16:34:11 |
| R64.htm | 37526 | 2019-03-08 16:34:11 |
| R65.htm | 21439 | 2019-03-08 16:34:11 |
| R66.htm | 6188 | 2019-03-08 16:34:11 |
| R67.htm | 9601 | 2019-03-08 16:34:11 |
| R68.htm | 16451 | 2019-03-08 16:34:11 |
| R69.htm | 7521 | 2019-03-08 16:34:11 |
| R7.htm | 8251 | 2019-03-08 16:34:11 |
| R70.htm | 9738 | 2019-03-08 16:34:11 |
| R71.htm | 19481 | 2019-03-08 16:34:11 |
| R72.htm | 22173 | 2019-03-08 16:34:11 |
| R73.htm | 24076 | 2019-03-08 16:34:11 |
| R74.htm | 28370 | 2019-03-08 16:34:11 |
| R75.htm | 18985 | 2019-03-08 16:34:11 |
| R76.htm | 4277 | 2019-03-08 16:34:11 |
| R77.htm | 34677 | 2019-03-08 16:34:11 |
| R78.htm | 40507 | 2019-03-08 16:34:11 |
| R8.htm | 49821 | 2019-03-08 16:34:11 |
| R9.htm | 14429 | 2019-03-08 16:34:11 |
| report.css | 2767 | 2019-03-08 16:34:11 |
| Show.js | 1085 | 2019-03-08 16:34:11 |