Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001114483-20-000007-index-headers.html | 2020-05-08 16:34:48 | |
| 0001114483-20-000007-index.html | 2020-05-08 16:34:48 | |
| 0001114483-20-000007.txt | 2020-05-08 16:34:48 | |
 0001114483-20-000007-xbrl.zip | 320985 | 2020-05-08 16:34:48 |
| a2020q1form10-q.htm | 1618400 | 2020-05-08 16:34:48 |
| a2020q1form10-q_htm.xml | 1879543 | 2020-05-08 16:34:48 |
| ex311.htm | 19414 | 2020-05-08 16:34:48 |
| ex312.htm | 19370 | 2020-05-08 16:34:48 |
| ex321.htm | 13108 | 2020-05-08 16:34:48 |
| FilingSummary.xml | 54556 | 2020-05-08 16:34:48 |
| Financial_Report.xlsx | 90436 | 2020-05-08 16:34:48 |
| gb-20200403.xsd | 66693 | 2020-05-08 16:34:48 |
| gb-20200403_cal.xml | 104536 | 2020-05-08 16:34:48 |
| gb-20200403_def.xml | 314678 | 2020-05-08 16:34:48 |
| gb-20200403_lab.xml | 862749 | 2020-05-08 16:34:48 |
| gb-20200403_pre.xml | 538607 | 2020-05-08 16:34:48 |
 itgrlogo20190925a07.jpg | 78314 | 2020-05-08 16:34:48 |
| MetaLinks.json | 755659 | 2020-05-08 16:34:48 |
| R1.htm | 53801 | 2020-05-08 16:34:48 |
| R10.htm | 14010 | 2020-05-08 16:34:48 |
| R11.htm | 12293 | 2020-05-08 16:34:48 |
| R12.htm | 72345 | 2020-05-08 16:34:48 |
| R13.htm | 31701 | 2020-05-08 16:34:48 |
| R14.htm | 67035 | 2020-05-08 16:34:48 |
| R15.htm | 36915 | 2020-05-08 16:34:48 |
| R16.htm | 10623 | 2020-05-08 16:34:48 |
| R17.htm | 12639 | 2020-05-08 16:34:48 |
| R18.htm | 36930 | 2020-05-08 16:34:48 |
| R19.htm | 88974 | 2020-05-08 16:34:48 |
| R2.htm | 82614 | 2020-05-08 16:34:48 |
| R20.htm | 168921 | 2020-05-08 16:34:48 |
| R21.htm | 33532 | 2020-05-08 16:34:48 |
| R22.htm | 55790 | 2020-05-08 16:34:48 |
| R23.htm | 18208 | 2020-05-08 16:34:48 |
| R24.htm | 7003 | 2020-05-08 16:34:48 |
| R25.htm | 23296 | 2020-05-08 16:34:48 |
| R26.htm | 13192 | 2020-05-08 16:34:48 |
| R27.htm | 13319 | 2020-05-08 16:34:48 |
| R28.htm | 116272 | 2020-05-08 16:34:48 |
| R29.htm | 24143 | 2020-05-08 16:34:48 |
| R3.htm | 16982 | 2020-05-08 16:34:48 |
| R30.htm | 71374 | 2020-05-08 16:34:48 |
| R31.htm | 30915 | 2020-05-08 16:34:48 |
| R32.htm | 9471 | 2020-05-08 16:34:48 |
| R33.htm | 39648 | 2020-05-08 16:34:48 |
| R34.htm | 90523 | 2020-05-08 16:34:48 |
| R35.htm | 162760 | 2020-05-08 16:34:48 |
| R36.htm | 34960 | 2020-05-08 16:34:48 |
| R37.htm | 80494 | 2020-05-08 16:34:48 |
| R38.htm | 19550 | 2020-05-08 16:34:48 |
| R39.htm | 4209 | 2020-05-08 16:34:48 |
| R4.htm | 83477 | 2020-05-08 16:34:48 |
| R40.htm | 27445 | 2020-05-08 16:34:48 |
| R41.htm | 32858 | 2020-05-08 16:34:48 |
| R42.htm | 9965 | 2020-05-08 16:34:48 |
| R43.htm | 9116 | 2020-05-08 16:34:48 |
| R44.htm | 10723 | 2020-05-08 16:34:48 |
| R45.htm | 14448 | 2020-05-08 16:34:48 |
| R46.htm | 21231 | 2020-05-08 16:34:48 |
| R47.htm | 10244 | 2020-05-08 16:34:48 |
| R48.htm | 9933 | 2020-05-08 16:34:48 |
| R49.htm | 15277 | 2020-05-08 16:34:48 |
| R5.htm | 18067 | 2020-05-08 16:34:48 |
| R50.htm | 23712 | 2020-05-08 16:34:48 |
| R51.htm | 65332 | 2020-05-08 16:34:48 |
| R52.htm | 9508 | 2020-05-08 16:34:48 |
| R53.htm | 16330 | 2020-05-08 16:34:48 |
| R54.htm | 29453 | 2020-05-08 16:34:48 |
| R55.htm | 15529 | 2020-05-08 16:34:48 |
| R56.htm | 31255 | 2020-05-08 16:34:48 |
| R57.htm | 16621 | 2020-05-08 16:34:48 |
| R58.htm | 27911 | 2020-05-08 16:34:48 |
| R59.htm | 16757 | 2020-05-08 16:34:48 |
| R6.htm | 75061 | 2020-05-08 16:34:48 |
| R60.htm | 15708 | 2020-05-08 16:34:48 |
| R61.htm | 12870 | 2020-05-08 16:34:48 |
| R62.htm | 10638 | 2020-05-08 16:34:48 |
| R63.htm | 52311 | 2020-05-08 16:34:48 |
| R64.htm | 19537 | 2020-05-08 16:34:48 |
| R65.htm | 53632 | 2020-05-08 16:34:48 |
| R66.htm | 25766 | 2020-05-08 16:34:48 |
| R67.htm | 24965 | 2020-05-08 16:34:48 |
| R68.htm | 24997 | 2020-05-08 16:34:48 |
| R69.htm | 14127 | 2020-05-08 16:34:48 |
| R7.htm | 30266 | 2020-05-08 16:34:48 |
| R70.htm | 27840 | 2020-05-08 16:34:48 |
| R71.htm | 12556 | 2020-05-08 16:34:48 |
| R72.htm | 4104 | 2020-05-08 16:34:48 |
| R73.htm | 16933 | 2020-05-08 16:34:48 |
| R74.htm | 16399 | 2020-05-08 16:34:48 |
| R75.htm | 6464 | 2020-05-08 16:34:48 |
| R76.htm | 19869 | 2020-05-08 16:34:48 |
| R77.htm | 22996 | 2020-05-08 16:34:48 |
| R78.htm | 5113 | 2020-05-08 16:34:48 |
| R79.htm | 7808 | 2020-05-08 16:34:48 |
| R8.htm | 14788 | 2020-05-08 16:34:48 |
| R80.htm | 19986 | 2020-05-08 16:34:48 |
| R81.htm | 8478 | 2020-05-08 16:34:48 |
| R9.htm | 12878 | 2020-05-08 16:34:48 |
| report.css | 2767 | 2020-05-08 16:34:48 |
| Show.js | 1085 | 2020-05-08 16:34:48 |