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| 0001104659-23-113391.txt | 2023-11-01 16:15:25 | |
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| FilingSummary.xml | 1640 | 2023-11-01 16:15:25 |
| Financial_Report.xlsx | 5710 | 2023-11-01 16:15:25 |
| hdsn-20231101.xsd | 3021 | 2023-11-01 16:15:25 |
| hdsn-20231101_lab.xml | 34240 | 2023-11-01 16:15:25 |
| hdsn-20231101_pre.xml | 22363 | 2023-11-01 16:15:25 |
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| tm2329407d1_ex99-1.htm | 124296 | 2023-11-01 16:15:25 |