Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-22-085633-index-headers.html | 2022-08-03 16:15:36 | |
| 0001104659-22-085633-index.html | 2022-08-03 16:15:36 | |
| 0001104659-22-085633.txt | 2022-08-03 16:15:36 | |
 0001104659-22-085633-xbrl.zip | 18830 | 2022-08-03 16:15:36 |
| FilingSummary.xml | 1649 | 2022-08-03 16:15:36 |
| Financial_Report.xlsx | 5709 | 2022-08-03 16:15:36 |
| hdsn-20220803.xsd | 3039 | 2022-08-03 16:15:36 |
| hdsn-20220803_lab.xml | 34476 | 2022-08-03 16:15:36 |
| hdsn-20220803_pre.xml | 22599 | 2022-08-03 16:15:36 |
| MetaLinks.json | 38120 | 2022-08-03 16:15:36 |
| R1.htm | 40078 | 2022-08-03 16:15:36 |
| report.css | 2767 | 2022-08-03 16:15:36 |
| Show.js | 1084 | 2022-08-03 16:15:36 |
| tm2222281d1_8k.htm | 27631 | 2022-08-03 16:15:36 |
| tm2222281d1_8k_htm.xml | 3621 | 2022-08-03 16:15:36 |
| tm2222281d1_ex99-1.htm | 82014 | 2022-08-03 16:15:36 |