Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001045309-20-000036-index-headers.html | 2020-02-28 06:07:10 | |
| 0001045309-20-000036-index.html | 2020-02-28 06:07:10 | |
| 0001045309-20-000036.txt | 2020-02-28 06:07:10 | |
 0001045309-20-000036-xbrl.zip | 18914 | 2020-02-28 06:07:10 |
| a8-kexhibit991xfeb2020.htm | 14106 | 2020-02-28 06:07:10 |
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| a8-kfeb2020801_htm.xml | 4349 | 2020-02-28 06:07:10 |
| FilingSummary.xml | 1796 | 2020-02-28 06:07:10 |
| Financial_Report.xlsx | 5786 | 2020-02-28 06:07:10 |
| gra-20200227.xsd | 4886 | 2020-02-28 06:07:10 |
| gra-20200227_cal.xml | 670 | 2020-02-28 06:07:10 |
| gra-20200227_def.xml | 1520 | 2020-02-28 06:07:10 |
| gra-20200227_lab.xml | 28784 | 2020-02-28 06:07:10 |
| gra-20200227_pre.xml | 15046 | 2020-02-28 06:07:10 |
 image0a51.jpg | 63852 | 2020-02-28 06:07:10 |
| MetaLinks.json | 20266 | 2020-02-28 06:07:10 |
| R1.htm | 38730 | 2020-02-28 06:07:10 |
| report.css | 2767 | 2020-02-28 06:07:10 |
| Show.js | 1085 | 2020-02-28 06:07:10 |