Parent Directory| Name | Size | Last Modified |
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| 0001104659-23-069185-index.html | 2023-06-08 09:00:13 | |
| 0001104659-23-069185.txt | 2023-06-08 09:00:13 | |
 0001104659-23-069185-xbrl.zip | 11356 | 2023-06-08 09:00:13 |
| FilingSummary.xml | 1826 | 2023-06-08 09:00:13 |
| Financial_Report.xlsx | 5711 | 2023-06-08 09:00:13 |
| hdsn-20230607.xsd | 3039 | 2023-06-08 09:00:13 |
| hdsn-20230607_lab.xml | 34476 | 2023-06-08 09:00:13 |
| hdsn-20230607_pre.xml | 22599 | 2023-06-08 09:00:13 |
| MetaLinks.json | 39434 | 2023-06-08 09:00:13 |
| R1.htm | 39606 | 2023-06-08 09:00:13 |
| report.css | 2766 | 2023-06-08 09:00:13 |
| Show.js | 1084 | 2023-06-08 09:00:13 |
| tm2318153d1_8k.htm | 36619 | 2023-06-08 09:00:13 |
| tm2318153d1_8k_htm.xml | 3621 | 2023-06-08 09:00:13 |