Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001047469-17-003479-index-headers.html | 2017-05-18 14:30:24 | |
| 0001047469-17-003479-index.html | 2017-05-18 14:30:24 | |
| 0001047469-17-003479.txt | 2017-05-18 14:30:24 | |
 0001047469-17-003479-xbrl.zip | 267585 | 2017-05-18 14:30:24 |
| a2232052zex-23_1.htm | 2948 | 2017-05-18 14:30:24 |
| a2232052zs-1a.htm | 1712081 | 2017-05-18 14:30:24 |
| FilingSummary.xml | 58394 | 2017-05-18 14:30:24 |
| Financial_Report.xlsx | 122885 | 2017-05-18 14:30:24 |
 g641975.jpg | 15228 | 2017-05-18 14:30:24 |
| hdy-20170501.xml | 2851923 | 2017-05-18 14:30:24 |
| hdy-20170501.xsd | 97599 | 2017-05-18 14:30:24 |
| hdy-20170501_cal.xml | 60728 | 2017-05-18 14:30:24 |
| hdy-20170501_def.xml | 383403 | 2017-05-18 14:30:24 |
| hdy-20170501_lab.xml | 998505 | 2017-05-18 14:30:24 |
| hdy-20170501_pre.xml | 692861 | 2017-05-18 14:30:24 |
| R1.htm | 12869 | 2017-05-18 14:30:24 |
| R10.htm | 53382 | 2017-05-18 14:30:24 |
| R11.htm | 136054 | 2017-05-18 14:30:24 |
| R12.htm | 9002 | 2017-05-18 14:30:24 |
| R13.htm | 443000 | 2017-05-18 14:30:24 |
| R14.htm | 61304 | 2017-05-18 14:30:24 |
| R15.htm | 36797 | 2017-05-18 14:30:24 |
| R16.htm | 62517 | 2017-05-18 14:30:24 |
| R17.htm | 146350 | 2017-05-18 14:30:24 |
| R18.htm | 74405 | 2017-05-18 14:30:24 |
| R19.htm | 40533 | 2017-05-18 14:30:24 |
| R2.htm | 45463 | 2017-05-18 14:30:24 |
| R20.htm | 122346 | 2017-05-18 14:30:24 |
| R21.htm | 43376 | 2017-05-18 14:30:24 |
| R22.htm | 134056 | 2017-05-18 14:30:24 |
| R23.htm | 410507 | 2017-05-18 14:30:24 |
| R24.htm | 30907 | 2017-05-18 14:30:24 |
| R25.htm | 60893 | 2017-05-18 14:30:24 |
| R26.htm | 152797 | 2017-05-18 14:30:24 |
| R27.htm | 4298 | 2017-05-18 14:30:24 |
| R28.htm | 11040 | 2017-05-18 14:30:24 |
| R29.htm | 43476 | 2017-05-18 14:30:24 |
| R3.htm | 23675 | 2017-05-18 14:30:24 |
| R30.htm | 15577 | 2017-05-18 14:30:24 |
| R31.htm | 7708 | 2017-05-18 14:30:24 |
| R32.htm | 4716 | 2017-05-18 14:30:24 |
| R33.htm | 31262 | 2017-05-18 14:30:24 |
| R34.htm | 5184 | 2017-05-18 14:30:24 |
| R35.htm | 21841 | 2017-05-18 14:30:24 |
| R36.htm | 250597 | 2017-05-18 14:30:24 |
| R37.htm | 13483 | 2017-05-18 14:30:24 |
| R38.htm | 24287 | 2017-05-18 14:30:24 |
| R39.htm | 18041 | 2017-05-18 14:30:24 |
| R4.htm | 27323 | 2017-05-18 14:30:24 |
| R40.htm | 21179 | 2017-05-18 14:30:24 |
| R41.htm | 5384 | 2017-05-18 14:30:24 |
| R42.htm | 4465 | 2017-05-18 14:30:24 |
| R43.htm | 5455 | 2017-05-18 14:30:24 |
| R44.htm | 16494 | 2017-05-18 14:30:24 |
| R45.htm | 11141 | 2017-05-18 14:30:24 |
| R46.htm | 22518 | 2017-05-18 14:30:24 |
| R47.htm | 44640 | 2017-05-18 14:30:24 |
| R48.htm | 135948 | 2017-05-18 14:30:24 |
| R49.htm | 22302 | 2017-05-18 14:30:24 |
| R5.htm | 20166 | 2017-05-18 14:30:24 |
| R50.htm | 10280 | 2017-05-18 14:30:24 |
| R51.htm | 32440 | 2017-05-18 14:30:24 |
| R52.htm | 22991 | 2017-05-18 14:30:24 |
| R53.htm | 18201 | 2017-05-18 14:30:24 |
| R54.htm | 45144 | 2017-05-18 14:30:24 |
| R55.htm | 21358 | 2017-05-18 14:30:24 |
| R56.htm | 4167 | 2017-05-18 14:30:24 |
| R57.htm | 16780 | 2017-05-18 14:30:24 |
| R58.htm | 8999 | 2017-05-18 14:30:24 |
| R59.htm | 49075 | 2017-05-18 14:30:24 |
| R6.htm | 42177 | 2017-05-18 14:30:24 |
| R60.htm | 23686 | 2017-05-18 14:30:24 |
| R61.htm | 27142 | 2017-05-18 14:30:24 |
| R62.htm | 32636 | 2017-05-18 14:30:24 |
| R63.htm | 52295 | 2017-05-18 14:30:24 |
| R64.htm | 66654 | 2017-05-18 14:30:24 |
| R65.htm | 76988 | 2017-05-18 14:30:24 |
| R66.htm | 53382 | 2017-05-18 14:30:24 |
| R67.htm | 443000 | 2017-05-18 14:30:24 |
| R68.htm | 136054 | 2017-05-18 14:30:24 |
| R69.htm | 61304 | 2017-05-18 14:30:24 |
| R7.htm | 66653 | 2017-05-18 14:30:24 |
| R70.htm | 36797 | 2017-05-18 14:30:24 |
| R71.htm | 48416 | 2017-05-18 14:30:24 |
| R72.htm | 84512 | 2017-05-18 14:30:24 |
| R73.htm | 43376 | 2017-05-18 14:30:24 |
| R74.htm | 341850 | 2017-05-18 14:30:24 |
| R75.htm | 30907 | 2017-05-18 14:30:24 |
| R76.htm | 4296 | 2017-05-18 14:30:24 |
| R77.htm | 16450 | 2017-05-18 14:30:24 |
| R78.htm | 53378 | 2017-05-18 14:30:24 |
| R79.htm | 15474 | 2017-05-18 14:30:24 |
| R8.htm | 41713 | 2017-05-18 14:30:24 |
| R80.htm | 104285 | 2017-05-18 14:30:24 |
| R81.htm | 16773 | 2017-05-18 14:30:24 |
| R82.htm | 16494 | 2017-05-18 14:30:24 |
| R83.htm | 11141 | 2017-05-18 14:30:24 |
| R84.htm | 27365 | 2017-05-18 14:30:24 |
| R85.htm | 44588 | 2017-05-18 14:30:24 |
| R86.htm | 94034 | 2017-05-18 14:30:24 |
| R87.htm | 17930 | 2017-05-18 14:30:24 |
| R88.htm | 8208 | 2017-05-18 14:30:24 |
| R89.htm | 7780 | 2017-05-18 14:30:24 |
| R9.htm | 76987 | 2017-05-18 14:30:24 |
| R90.htm | 34878 | 2017-05-18 14:30:24 |
| R91.htm | 21873 | 2017-05-18 14:30:24 |
| R92.htm | 68983 | 2017-05-18 14:30:24 |
| R93.htm | 61227 | 2017-05-18 14:30:24 |
| report.css | 2768 | 2017-05-18 14:30:24 |
| Show.js | 1411 | 2017-05-18 14:30:24 |