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| 0001104659-22-055833-index.html | 2022-05-04 16:15:36 | |
| 0001104659-22-055833.txt | 2022-05-04 16:15:36 | |
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| FilingSummary.xml | 1649 | 2022-05-04 16:15:36 |
| Financial_Report.xlsx | 5688 | 2022-05-04 16:15:36 |
| hdsn-20220504.xsd | 3039 | 2022-05-04 16:15:36 |
| hdsn-20220504_lab.xml | 34476 | 2022-05-04 16:15:36 |
| hdsn-20220504_pre.xml | 22599 | 2022-05-04 16:15:36 |
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| R1.htm | 40238 | 2022-05-04 16:15:36 |
| report.css | 2767 | 2022-05-04 16:15:36 |
| Show.js | 1084 | 2022-05-04 16:15:36 |
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| tm2214207d1_ex99-1.htm | 61215 | 2022-05-04 16:15:36 |