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| 0001104659-20-121861-index.html | 2020-11-05 16:48:13 | |
| 0001104659-20-121861.txt | 2020-11-05 16:48:13 | |
 0001104659-20-121861-xbrl.zip | 30719 | 2020-11-05 16:48:13 |
| FilingSummary.xml | 1643 | 2020-11-05 16:48:13 |
| Financial_Report.xlsx | 5476 | 2020-11-05 16:48:13 |
| hall-20201105.xsd | 3195 | 2020-11-05 16:48:13 |
| hall-20201105_lab.xml | 34591 | 2020-11-05 16:48:13 |
| hall-20201105_pre.xml | 22716 | 2020-11-05 16:48:13 |
| MetaLinks.json | 38822 | 2020-11-05 16:48:13 |
| R1.htm | 40161 | 2020-11-05 16:48:13 |
| report.css | 2767 | 2020-11-05 16:48:13 |
| Show.js | 1085 | 2020-11-05 16:48:13 |
| tm2035114d1_8k.htm | 25694 | 2020-11-05 16:48:13 |
| tm2035114d1_8k_htm.xml | 3618 | 2020-11-05 16:48:13 |
| tm2035114d1_ex99-1.htm | 438731 | 2020-11-05 16:48:13 |
 tm2035114d1_ex99-1img001.jpg | 15763 | 2020-11-05 16:48:13 |