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| 0001144204-16-116201-index.html | 2016-08-03 16:04:47 | |
| 0001144204-16-116201.txt | 2016-08-03 16:04:47 | |
 0001144204-16-116201-xbrl.zip | 87624 | 2016-08-03 16:04:47 |
| FilingSummary.xml | 14131 | 2016-08-03 16:04:47 |
| Financial_Report.xlsx | 39517 | 2016-08-03 16:04:47 |
| hdsn-20160630.xml | 470049 | 2016-08-03 16:04:47 |
| hdsn-20160630.xsd | 25061 | 2016-08-03 16:04:47 |
| hdsn-20160630_cal.xml | 30110 | 2016-08-03 16:04:47 |
| hdsn-20160630_def.xml | 175745 | 2016-08-03 16:04:47 |
| hdsn-20160630_lab.xml | 250093 | 2016-08-03 16:04:47 |
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| R10.htm | 120759 | 2016-08-03 16:04:47 |
| R11.htm | 42712 | 2016-08-03 16:04:47 |
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| R2.htm | 78779 | 2016-08-03 16:04:47 |
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| R7.htm | 59319 | 2016-08-03 16:04:47 |
| R8.htm | 18919 | 2016-08-03 16:04:47 |
| R9.htm | 18916 | 2016-08-03 16:04:47 |
| report.css | 2767 | 2016-08-03 16:04:47 |
| Show.js | 1410 | 2016-08-03 16:04:47 |
| v445329_10q.htm | 273361 | 2016-08-03 16:04:47 |
| v445329_ex31-1.htm | 7413 | 2016-08-03 16:04:47 |
| v445329_ex31-2.htm | 7299 | 2016-08-03 16:04:47 |
| v445329_ex32-1.htm | 3711 | 2016-08-03 16:04:47 |
| v445329_ex32-2.htm | 3682 | 2016-08-03 16:04:47 |