Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001140361-21-014342-index-headers.html | 2021-04-26 17:16:34 | |
| 0001140361-21-014342-index.html | 2021-04-26 17:16:34 | |
| 0001140361-21-014342.txt | 2021-04-26 17:16:34 | |
 0001140361-21-014342-xbrl.zip | 128439 | 2021-04-26 17:16:34 |
| FilingSummary.xml | 1745 | 2021-04-26 17:16:34 |
| Financial_Report.xlsx | 5678 | 2021-04-26 17:16:34 |
| gra-20210426.xsd | 3911 | 2021-04-26 17:16:34 |
| gra-20210426_lab.xml | 22544 | 2021-04-26 17:16:34 |
| gra-20210426_pre.xml | 16035 | 2021-04-26 17:16:34 |
| MetaLinks.json | 20040 | 2021-04-26 17:16:34 |
| nc10023607x3_8k.htm | 56770 | 2021-04-26 17:16:34 |
| nc10023607x3_8k_htm.xml | 4051 | 2021-04-26 17:16:34 |
| nc10023607x3_ex10-1.htm | 99582 | 2021-04-26 17:16:34 |
| nc10023607x3_ex2-1.htm | 729828 | 2021-04-26 17:16:34 |
| R1.htm | 38578 | 2021-04-26 17:16:34 |
| report.css | 2767 | 2021-04-26 17:16:34 |
| Show.js | 1085 | 2021-04-26 17:16:34 |