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| 0001410578-23-000263-index.html | 2023-03-14 17:00:37 | |
| 0001410578-23-000263.txt | 2023-03-14 17:00:37 | |
 0001410578-23-000263-xbrl.zip | 232540 | 2023-03-14 17:00:37 |
| FilingSummary.xml | 39207 | 2023-03-14 17:00:37 |
| Financial_Report.xlsx | 103848 | 2023-03-14 17:00:37 |
| hdsn-20221231.xsd | 57118 | 2023-03-14 17:00:37 |
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| report.css | 2767 | 2023-03-14 17:00:37 |
| Show.js | 1085 | 2023-03-14 17:00:37 |