Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001144204-18-062670-index-headers.html | 2018-11-30 17:19:00 | |
| 0001144204-18-062670-index.html | 2018-11-30 17:19:00 | |
| 0001144204-18-062670.txt | 2018-11-30 17:19:00 | |
 0001144204-18-062670-xbrl.zip | 162803 | 2018-11-30 17:19:00 |
| FilingSummary.xml | 25958 | 2018-11-30 17:19:00 |
| Financial_Report.xlsx | 74533 | 2018-11-30 17:19:00 |
| hdsn-20180930.xml | 2289543 | 2018-11-30 17:19:00 |
| hdsn-20180930.xsd | 38431 | 2018-11-30 17:19:00 |
| hdsn-20180930_cal.xml | 53288 | 2018-11-30 17:19:00 |
| hdsn-20180930_def.xml | 267217 | 2018-11-30 17:19:00 |
| hdsn-20180930_lab.xml | 339166 | 2018-11-30 17:19:00 |
| hdsn-20180930_pre.xml | 304867 | 2018-11-30 17:19:00 |
| R1.htm | 25750 | 2018-11-30 17:19:00 |
| R10.htm | 120155 | 2018-11-30 17:19:00 |
| R11.htm | 179742 | 2018-11-30 17:19:00 |
| R12.htm | 93860 | 2018-11-30 17:19:00 |
| R13.htm | 181683 | 2018-11-30 17:19:00 |
| R14.htm | 136731 | 2018-11-30 17:19:00 |
| R15.htm | 15034 | 2018-11-30 17:19:00 |
| R16.htm | 234984 | 2018-11-30 17:19:00 |
| R17.htm | 111311 | 2018-11-30 17:19:00 |
| R18.htm | 31222 | 2018-11-30 17:19:00 |
| R19.htm | 118714 | 2018-11-30 17:19:00 |
| R2.htm | 74027 | 2018-11-30 17:19:00 |
| R20.htm | 174546 | 2018-11-30 17:19:00 |
| R21.htm | 77359 | 2018-11-30 17:19:00 |
| R22.htm | 148867 | 2018-11-30 17:19:00 |
| R23.htm | 129157 | 2018-11-30 17:19:00 |
| R24.htm | 10739 | 2018-11-30 17:19:00 |
| R25.htm | 14478 | 2018-11-30 17:19:00 |
| R26.htm | 72737 | 2018-11-30 17:19:00 |
| R27.htm | 10953 | 2018-11-30 17:19:00 |
| R28.htm | 5890 | 2018-11-30 17:19:00 |
| R29.htm | 60833 | 2018-11-30 17:19:00 |
| R3.htm | 22135 | 2018-11-30 17:19:00 |
| R30.htm | 5102 | 2018-11-30 17:19:00 |
| R31.htm | 34974 | 2018-11-30 17:19:00 |
| R32.htm | 11111 | 2018-11-30 17:19:00 |
| R33.htm | 24225 | 2018-11-30 17:19:00 |
| R34.htm | 13575 | 2018-11-30 17:19:00 |
| R35.htm | 37712 | 2018-11-30 17:19:00 |
| R36.htm | 25951 | 2018-11-30 17:19:00 |
| R37.htm | 17940 | 2018-11-30 17:19:00 |
| R38.htm | 14331 | 2018-11-30 17:19:00 |
| R39.htm | 74954 | 2018-11-30 17:19:00 |
| R4.htm | 44197 | 2018-11-30 17:19:00 |
| R40.htm | 51456 | 2018-11-30 17:19:00 |
| R41.htm | 11491 | 2018-11-30 17:19:00 |
| R42.htm | 40326 | 2018-11-30 17:19:00 |
| R5.htm | 30219 | 2018-11-30 17:19:00 |
| R6.htm | 74729 | 2018-11-30 17:19:00 |
| R7.htm | 200563 | 2018-11-30 17:19:00 |
| R8.htm | 11763 | 2018-11-30 17:19:00 |
| R9.htm | 32032 | 2018-11-30 17:19:00 |
| report.css | 2767 | 2018-11-30 17:19:00 |
| Show.js | 1085 | 2018-11-30 17:19:00 |
| tv507098_10q.htm | 407690 | 2018-11-30 17:19:00 |
| tv507098_ex31-1.htm | 10798 | 2018-11-30 17:19:00 |
| tv507098_ex31-2.htm | 10668 | 2018-11-30 17:19:00 |
| tv507098_ex32-1.htm | 4362 | 2018-11-30 17:19:00 |
| tv507098_ex32-2.htm | 4033 | 2018-11-30 17:19:00 |