Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-21-133648-index-headers.html | 2021-11-03 16:16:24 | |
| 0001104659-21-133648-index.html | 2021-11-03 16:16:24 | |
| 0001104659-21-133648.txt | 2021-11-03 16:16:24 | |
 0001104659-21-133648-xbrl.zip | 18381 | 2021-11-03 16:16:24 |
| FilingSummary.xml | 1642 | 2021-11-03 16:16:24 |
| Financial_Report.xlsx | 5689 | 2021-11-03 16:16:24 |
| hdsn-20211103.xsd | 3195 | 2021-11-03 16:16:24 |
| hdsn-20211103_lab.xml | 34594 | 2021-11-03 16:16:24 |
| hdsn-20211103_pre.xml | 22717 | 2021-11-03 16:16:24 |
| MetaLinks.json | 38561 | 2021-11-03 16:16:24 |
| R1.htm | 40147 | 2021-11-03 16:16:24 |
| report.css | 2767 | 2021-11-03 16:16:24 |
| Show.js | 1084 | 2021-11-03 16:16:24 |
| tm2131809d1_8k.htm | 27377 | 2021-11-03 16:16:24 |
| tm2131809d1_8k_htm.xml | 3623 | 2021-11-03 16:16:24 |
| tm2131809d1_ex99-1.htm | 77193 | 2021-11-03 16:16:24 |