Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-21-124424-index-headers.html | 2021-10-08 09:15:56 | |
| 0001104659-21-124424-index.html | 2021-10-08 09:15:56 | |
| 0001104659-21-124424.txt | 2021-10-08 09:15:56 | |
 0001104659-21-124424-xbrl.zip | 10507 | 2021-10-08 09:15:56 |
| FilingSummary.xml | 1602 | 2021-10-08 09:15:56 |
| Financial_Report.xlsx | 5690 | 2021-10-08 09:15:56 |
| hdsn-20211007.xsd | 3195 | 2021-10-08 09:15:56 |
| hdsn-20211007_lab.xml | 34594 | 2021-10-08 09:15:56 |
| hdsn-20211007_pre.xml | 22717 | 2021-10-08 09:15:56 |
| MetaLinks.json | 38561 | 2021-10-08 09:15:56 |
| R1.htm | 40147 | 2021-10-08 09:15:56 |
| report.css | 2766 | 2021-10-08 09:15:56 |
| Show.js | 1084 | 2021-10-08 09:15:56 |
| tm2129575d1_8k.htm | 25799 | 2021-10-08 09:15:56 |
| tm2129575d1_8k_htm.xml | 3623 | 2021-10-08 09:15:56 |