Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000047518-21-000006-index-headers.html | 2021-02-05 06:57:40 | |
| 0000047518-21-000006-index.html | 2021-02-05 06:57:40 | |
| 0000047518-21-000006.txt | 2021-02-05 06:57:40 | |
 0000047518-21-000006-xbrl.zip | 31436 | 2021-02-05 06:57:40 |
| a2021q1exhibit991.htm | 373963 | 2021-02-05 06:57:40 |
| FilingSummary.xml | 1718 | 2021-02-05 06:57:40 |
| Financial_Report.xlsx | 5384 | 2021-02-05 06:57:40 |
 hillromq4andfy2019ear_imaga.jpg | 15902 | 2021-02-05 06:57:40 |
| hrc-20210205.htm | 37350 | 2021-02-05 06:57:40 |
| hrc-20210205.xsd | 2419 | 2021-02-05 06:57:40 |
| hrc-20210205_cal.xml | 713 | 2021-02-05 06:57:40 |
| hrc-20210205_def.xml | 1650 | 2021-02-05 06:57:40 |
| hrc-20210205_htm.xml | 10558 | 2021-02-05 06:57:40 |
| hrc-20210205_lab.xml | 26300 | 2021-02-05 06:57:40 |
| hrc-20210205_pre.xml | 13734 | 2021-02-05 06:57:40 |
| MetaLinks.json | 18414 | 2021-02-05 06:57:40 |
| R1.htm | 36296 | 2021-02-05 06:57:40 |
| report.css | 2767 | 2021-02-05 06:57:40 |
| Show.js | 1085 | 2021-02-05 06:57:40 |