Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001410578-23-000943-index.html | 2023-05-09 16:34:34 | |
| 0001410578-23-000943.txt | 2023-05-09 16:34:34 | |
 0001410578-23-000943-xbrl.zip | 159438 | 2023-05-09 16:34:34 |
| FilingSummary.xml | 24652 | 2023-05-09 16:34:34 |
| Financial_Report.xlsx | 74558 | 2023-05-09 16:34:34 |
| hdsn-20230331.xsd | 37902 | 2023-05-09 16:34:34 |
| hdsn-20230331x10q.htm | 1026826 | 2023-05-09 16:34:34 |
| hdsn-20230331x10q_htm.xml | 899471 | 2023-05-09 16:34:34 |
| hdsn-20230331xex31d1.htm | 14538 | 2023-05-09 16:34:34 |
| hdsn-20230331xex31d2.htm | 14284 | 2023-05-09 16:34:34 |
| hdsn-20230331xex32d1.htm | 7425 | 2023-05-09 16:34:34 |
| hdsn-20230331xex32d2.htm | 7372 | 2023-05-09 16:34:34 |
| hdsn-20230331_cal.xml | 51177 | 2023-05-09 16:34:34 |
| hdsn-20230331_def.xml | 136016 | 2023-05-09 16:34:34 |
| hdsn-20230331_lab.xml | 323495 | 2023-05-09 16:34:34 |
| hdsn-20230331_pre.xml | 250395 | 2023-05-09 16:34:34 |
| MetaLinks.json | 528348 | 2023-05-09 16:34:34 |
| R1.htm | 53131 | 2023-05-09 16:34:34 |
| R10.htm | 49349 | 2023-05-09 16:34:34 |
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| R2.htm | 96986 | 2023-05-09 16:34:34 |
| R20.htm | 59661 | 2023-05-09 16:34:34 |
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| R27.htm | 17895 | 2023-05-09 16:34:34 |
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| R29.htm | 10551 | 2023-05-09 16:34:34 |
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| R30.htm | 25858 | 2023-05-09 16:34:34 |
| R31.htm | 12356 | 2023-05-09 16:34:34 |
| R32.htm | 53017 | 2023-05-09 16:34:34 |
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| R8.htm | 7123 | 2023-05-09 16:34:34 |
| R9.htm | 18474 | 2023-05-09 16:34:34 |
| report.css | 2767 | 2023-05-09 16:34:34 |
| Show.js | 1085 | 2023-05-09 16:34:34 |