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| 0001144204-16-099362-index.html | 2016-05-06 06:12:36 | |
| 0001144204-16-099362.txt | 2016-05-06 06:12:36 | |
 0001144204-16-099362-xbrl.zip | 87571 | 2016-05-06 06:12:36 |
| FilingSummary.xml | 14131 | 2016-05-06 06:12:36 |
| Financial_Report.xlsx | 42824 | 2016-05-06 06:12:36 |
| hdsn-20160331.xml | 444072 | 2016-05-06 06:12:36 |
| hdsn-20160331.xsd | 25007 | 2016-05-06 06:12:36 |
| hdsn-20160331_cal.xml | 27792 | 2016-05-06 06:12:36 |
| hdsn-20160331_def.xml | 174556 | 2016-05-06 06:12:36 |
| hdsn-20160331_lab.xml | 247761 | 2016-05-06 06:12:36 |
| hdsn-20160331_pre.xml | 200434 | 2016-05-06 06:12:36 |
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| R10.htm | 116694 | 2016-05-06 06:12:36 |
| R11.htm | 34451 | 2016-05-06 06:12:36 |
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| R16.htm | 18329 | 2016-05-06 06:12:36 |
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| R2.htm | 72010 | 2016-05-06 06:12:36 |
| R20.htm | 57365 | 2016-05-06 06:12:36 |
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| R22.htm | 53751 | 2016-05-06 06:12:36 |
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| R4.htm | 38288 | 2016-05-06 06:12:36 |
| R5.htm | 65160 | 2016-05-06 06:12:36 |
| R6.htm | 79919 | 2016-05-06 06:12:36 |
| R7.htm | 60043 | 2016-05-06 06:12:36 |
| R8.htm | 18909 | 2016-05-06 06:12:36 |
| R9.htm | 19719 | 2016-05-06 06:12:36 |
| report.css | 2767 | 2016-05-06 06:12:36 |
| Show.js | 1410 | 2016-05-06 06:12:36 |
| v437769_10q.htm | 259948 | 2016-05-06 06:12:36 |
| v437769_ex31-1.htm | 7628 | 2016-05-06 06:12:36 |
| v437769_ex31-2.htm | 7460 | 2016-05-06 06:12:36 |
| v437769_ex32-1.htm | 4098 | 2016-05-06 06:12:36 |
| v437769_ex32-2.htm | 4008 | 2016-05-06 06:12:36 |