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| 0001104659-22-105231-index.html | 2022-10-03 16:05:28 | |
| 0001104659-22-105231.txt | 2022-10-03 16:05:28 | |
 0001104659-22-105231-xbrl.zip | 17511 | 2022-10-03 16:05:28 |
| FilingSummary.xml | 1868 | 2022-10-03 16:05:28 |
| Financial_Report.xlsx | 5708 | 2022-10-03 16:05:28 |
| hdsn-20220930.xsd | 3039 | 2022-10-03 16:05:28 |
| hdsn-20220930_lab.xml | 34476 | 2022-10-03 16:05:28 |
| hdsn-20220930_pre.xml | 22599 | 2022-10-03 16:05:28 |
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| R1.htm | 39607 | 2022-10-03 16:05:28 |
| report.css | 2767 | 2022-10-03 16:05:28 |
| Show.js | 1084 | 2022-10-03 16:05:28 |
| tm2227030d1_8k.htm | 39927 | 2022-10-03 16:05:28 |
| tm2227030d1_8k_htm.xml | 3621 | 2022-10-03 16:05:28 |
| tm2227030d1_ex99-1.htm | 13433 | 2022-10-03 16:05:28 |