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| 0001104659-21-066407-index.html | 2021-05-14 08:19:15 | |
| 0001104659-21-066407.txt | 2021-05-14 08:19:15 | |
 0001104659-21-066407-xbrl.zip | 22543 | 2021-05-14 08:19:15 |
| FilingSummary.xml | 1643 | 2021-05-14 08:19:15 |
| Financial_Report.xlsx | 5692 | 2021-05-14 08:19:15 |
| hall-20210513.xsd | 3196 | 2021-05-14 08:19:15 |
| hall-20210513_lab.xml | 34592 | 2021-05-14 08:19:15 |
| hall-20210513_pre.xml | 22717 | 2021-05-14 08:19:15 |
| MetaLinks.json | 38822 | 2021-05-14 08:19:15 |
| R1.htm | 40158 | 2021-05-14 08:19:15 |
| report.css | 2767 | 2021-05-14 08:19:15 |
| Show.js | 1085 | 2021-05-14 08:19:15 |
| tm2116281d1_8k.htm | 26643 | 2021-05-14 08:19:15 |
| tm2116281d1_8k_htm.xml | 3618 | 2021-05-14 08:19:15 |
| tm2116281d1_ex99-1.htm | 230103 | 2021-05-14 08:19:15 |
 tm2116281d1_ex99-1img001.jpg | 5078 | 2021-05-14 08:19:15 |