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| 0001104659-22-029762-index.html | 2022-03-03 10:00:32 | |
| 0001104659-22-029762.txt | 2022-03-03 10:00:32 | |
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| FilingSummary.xml | 1842 | 2022-03-03 10:00:32 |
| Financial_Report.xlsx | 5719 | 2022-03-03 10:00:32 |
| hdsn-20220302.xsd | 3039 | 2022-03-03 10:00:32 |
| hdsn-20220302_lab.xml | 34476 | 2022-03-03 10:00:32 |
| hdsn-20220302_pre.xml | 22599 | 2022-03-03 10:00:32 |
| MetaLinks.json | 38117 | 2022-03-03 10:00:32 |
| R1.htm | 41643 | 2022-03-03 10:00:32 |
| report.css | 2767 | 2022-03-03 10:00:32 |
| Show.js | 1085 | 2022-03-03 10:00:32 |
| tm228197d1_8k.htm | 65734 | 2022-03-03 10:00:32 |
| tm228197d1_8k_htm.xml | 3734 | 2022-03-03 10:00:32 |
| tm228197d1_ex10-1.htm | 944147 | 2022-03-03 10:00:32 |
| tm228197d1_ex10-2.htm | 299126 | 2022-03-03 10:00:32 |
| tm228197d1_ex10-3.htm | 1251924 | 2022-03-03 10:00:32 |
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| tm228197d1_ex10-4.htm | 126624 | 2022-03-03 10:00:32 |
| tm228197d1_ex3-1.htm | 134590 | 2022-03-03 10:00:32 |
| tm228197d1_ex99-1.htm | 10249 | 2022-03-03 10:00:32 |