Parent Directory| Name | Size | Last Modified |
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| 0001104659-22-054430-index.html | 2022-05-02 13:04:25 | |
| 0001104659-22-054430.txt | 2022-05-02 13:04:25 | |
 0001104659-22-054430-xbrl.zip | 28748 | 2022-05-02 13:04:25 |
| FilingSummary.xml | 1699 | 2022-05-02 13:04:25 |
| Financial_Report.xlsx | 6226 | 2022-05-02 13:04:25 |
| hall-20211231.xsd | 3042 | 2022-05-02 13:04:25 |
| hall-20211231_lab.xml | 36509 | 2022-05-02 13:04:25 |
| hall-20211231_pre.xml | 24004 | 2022-05-02 13:04:25 |
| MetaLinks.json | 39920 | 2022-05-02 13:04:25 |
| R1.htm | 67032 | 2022-05-02 13:04:25 |
| report.css | 2767 | 2022-05-02 13:04:25 |
| Show.js | 1085 | 2022-05-02 13:04:25 |
| tm2214150d1_10ka.htm | 157882 | 2022-05-02 13:04:25 |
| tm2214150d1_10ka_htm.xml | 5544 | 2022-05-02 13:04:25 |
| tm2214150d1_ex31-c.htm | 10070 | 2022-05-02 13:04:25 |
| tm2214150d1_ex31-d.htm | 10623 | 2022-05-02 13:04:25 |