Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001144204-18-062664-index-headers.html | 2018-11-30 17:15:18 | |
| 0001144204-18-062664-index.html | 2018-11-30 17:15:18 | |
| 0001144204-18-062664.txt | 2018-11-30 17:15:18 | |
 0001144204-18-062664-xbrl.zip | 157667 | 2018-11-30 17:15:18 |
| FilingSummary.xml | 25964 | 2018-11-30 17:15:18 |
| Financial_Report.xlsx | 72671 | 2018-11-30 17:15:18 |
| hdsn-20180630.xml | 2180270 | 2018-11-30 17:15:18 |
| hdsn-20180630.xsd | 38744 | 2018-11-30 17:15:18 |
| hdsn-20180630_cal.xml | 52248 | 2018-11-30 17:15:18 |
| hdsn-20180630_def.xml | 266085 | 2018-11-30 17:15:18 |
| hdsn-20180630_lab.xml | 338185 | 2018-11-30 17:15:18 |
| hdsn-20180630_pre.xml | 303602 | 2018-11-30 17:15:18 |
| R1.htm | 25750 | 2018-11-30 17:15:18 |
| R10.htm | 127412 | 2018-11-30 17:15:18 |
| R11.htm | 195522 | 2018-11-30 17:15:18 |
| R12.htm | 55476 | 2018-11-30 17:15:18 |
| R13.htm | 187304 | 2018-11-30 17:15:18 |
| R14.htm | 136809 | 2018-11-30 17:15:18 |
| R15.htm | 18808 | 2018-11-30 17:15:18 |
| R16.htm | 205351 | 2018-11-30 17:15:18 |
| R17.htm | 89716 | 2018-11-30 17:15:18 |
| R18.htm | 32565 | 2018-11-30 17:15:18 |
| R19.htm | 125976 | 2018-11-30 17:15:18 |
| R2.htm | 74029 | 2018-11-30 17:15:18 |
| R20.htm | 189451 | 2018-11-30 17:15:18 |
| R21.htm | 39868 | 2018-11-30 17:15:18 |
| R22.htm | 154887 | 2018-11-30 17:15:18 |
| R23.htm | 128538 | 2018-11-30 17:15:18 |
| R24.htm | 10740 | 2018-11-30 17:15:18 |
| R25.htm | 14472 | 2018-11-30 17:15:18 |
| R26.htm | 70505 | 2018-11-30 17:15:18 |
| R27.htm | 10953 | 2018-11-30 17:15:18 |
| R28.htm | 6367 | 2018-11-30 17:15:18 |
| R29.htm | 60833 | 2018-11-30 17:15:18 |
| R3.htm | 22120 | 2018-11-30 17:15:18 |
| R30.htm | 5102 | 2018-11-30 17:15:18 |
| R31.htm | 34974 | 2018-11-30 17:15:18 |
| R32.htm | 11111 | 2018-11-30 17:15:18 |
| R33.htm | 24225 | 2018-11-30 17:15:18 |
| R34.htm | 13577 | 2018-11-30 17:15:18 |
| R35.htm | 38424 | 2018-11-30 17:15:18 |
| R36.htm | 25954 | 2018-11-30 17:15:18 |
| R37.htm | 17939 | 2018-11-30 17:15:18 |
| R38.htm | 14331 | 2018-11-30 17:15:18 |
| R39.htm | 58445 | 2018-11-30 17:15:18 |
| R4.htm | 45722 | 2018-11-30 17:15:18 |
| R40.htm | 51453 | 2018-11-30 17:15:18 |
| R41.htm | 11491 | 2018-11-30 17:15:18 |
| R42.htm | 54568 | 2018-11-30 17:15:18 |
| R5.htm | 29317 | 2018-11-30 17:15:18 |
| R6.htm | 70446 | 2018-11-30 17:15:18 |
| R7.htm | 170799 | 2018-11-30 17:15:18 |
| R8.htm | 11786 | 2018-11-30 17:15:18 |
| R9.htm | 33639 | 2018-11-30 17:15:18 |
| report.css | 2767 | 2018-11-30 17:15:18 |
| Show.js | 1085 | 2018-11-30 17:15:18 |
| tv500288_10q.htm | 405529 | 2018-11-30 17:15:18 |
| tv500288_ex10-1.htm | 45198 | 2018-11-30 17:15:18 |
| tv500288_ex10-2.htm | 25312 | 2018-11-30 17:15:18 |
| tv500288_ex10-3.htm | 25552 | 2018-11-30 17:15:18 |
| tv500288_ex31-1.htm | 11047 | 2018-11-30 17:15:18 |
| tv500288_ex31-2.htm | 11253 | 2018-11-30 17:15:18 |
| tv500288_ex32-1.htm | 5032 | 2018-11-30 17:15:18 |
| tv500288_ex32-2.htm | 4264 | 2018-11-30 17:15:18 |