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| 0001437749-22-010413.txt | 2022-05-02 13:50:28 | |
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| ex_366725.htm | 6288 | 2022-05-02 13:50:28 |
| FilingSummary.xml | 25150 | 2022-05-02 13:50:28 |
| Financial_Report.xlsx | 40000 | 2022-05-02 13:50:28 |
| grc-20220331.xsd | 32557 | 2022-05-02 13:50:28 |
| grc-20220331_cal.xml | 35686 | 2022-05-02 13:50:28 |
| grc-20220331_def.xml | 193069 | 2022-05-02 13:50:28 |
| grc-20220331_lab.xml | 174536 | 2022-05-02 13:50:28 |
| grc-20220331_pre.xml | 215641 | 2022-05-02 13:50:28 |
| grc20220331_10q.htm | 539782 | 2022-05-02 13:50:28 |
| grc20220331_10q_htm.xml | 319957 | 2022-05-02 13:50:28 |
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| report.css | 2767 | 2022-05-02 13:50:28 |
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