Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000741815-16-000110-index-headers.html | 2016-05-13 11:21:52 | |
| 0000741815-16-000110-index.html | 2016-05-13 11:21:52 | |
| 0000741815-16-000110.txt | 2016-05-13 11:21:52 | |
 0000741815-16-000110-xbrl.zip | 143113 | 2016-05-13 11:21:52 |
| exhibit311q12016.htm | 8530 | 2016-05-13 11:21:52 |
| exhibit312q12016.htm | 8682 | 2016-05-13 11:21:52 |
| exhibit321q12016.htm | 5643 | 2016-05-13 11:21:52 |
| exhibit322q12016.htm | 5551 | 2016-05-13 11:21:52 |
| FilingSummary.xml | 27024 | 2016-05-13 11:21:52 |
| Financial_Report.xlsx | 59952 | 2016-05-13 11:21:52 |
| hh-20160331.xml | 580700 | 2016-05-13 11:21:52 |
| hh-20160331.xsd | 39173 | 2016-05-13 11:21:52 |
| hh-20160331_cal.xml | 50721 | 2016-05-13 11:21:52 |
| hh-20160331_def.xml | 213580 | 2016-05-13 11:21:52 |
| hh-20160331_lab.xml | 546567 | 2016-05-13 11:21:52 |
| hh-20160331_pre.xml | 337300 | 2016-05-13 11:21:52 |
| hh0331201610q.htm | 667789 | 2016-05-13 11:21:52 |
| R1.htm | 20251 | 2016-05-13 11:21:52 |
| R10.htm | 39716 | 2016-05-13 11:21:52 |
| R11.htm | 6140 | 2016-05-13 11:21:52 |
| R12.htm | 34507 | 2016-05-13 11:21:52 |
| R13.htm | 15187 | 2016-05-13 11:21:52 |
| R14.htm | 64943 | 2016-05-13 11:21:52 |
| R15.htm | 9100 | 2016-05-13 11:21:52 |
| R16.htm | 9006 | 2016-05-13 11:21:52 |
| R17.htm | 10417 | 2016-05-13 11:21:52 |
| R18.htm | 22547 | 2016-05-13 11:21:52 |
| R19.htm | 13759 | 2016-05-13 11:21:52 |
| R2.htm | 66758 | 2016-05-13 11:21:52 |
| R20.htm | 26406 | 2016-05-13 11:21:52 |
| R21.htm | 25314 | 2016-05-13 11:21:52 |
| R22.htm | 34426 | 2016-05-13 11:21:52 |
| R23.htm | 29207 | 2016-05-13 11:21:52 |
| R24.htm | 13881 | 2016-05-13 11:21:52 |
| R25.htm | 39054 | 2016-05-13 11:21:52 |
| R26.htm | 16605 | 2016-05-13 11:21:52 |
| R27.htm | 9343 | 2016-05-13 11:21:52 |
| R28.htm | 56062 | 2016-05-13 11:21:52 |
| R29.htm | 53051 | 2016-05-13 11:21:52 |
| R3.htm | 15443 | 2016-05-13 11:21:52 |
| R30.htm | 28509 | 2016-05-13 11:21:52 |
| R31.htm | 7691 | 2016-05-13 11:21:52 |
| R32.htm | 6063 | 2016-05-13 11:21:52 |
| R33.htm | 11737 | 2016-05-13 11:21:52 |
| R34.htm | 13994 | 2016-05-13 11:21:52 |
| R35.htm | 37052 | 2016-05-13 11:21:52 |
| R36.htm | 16718 | 2016-05-13 11:21:52 |
| R37.htm | 6284 | 2016-05-13 11:21:52 |
| R38.htm | 21926 | 2016-05-13 11:21:52 |
| R39.htm | 14644 | 2016-05-13 11:21:52 |
| R4.htm | 64072 | 2016-05-13 11:21:52 |
| R40.htm | 20373 | 2016-05-13 11:21:52 |
| R41.htm | 28521 | 2016-05-13 11:21:52 |
| R42.htm | 150961 | 2016-05-13 11:21:52 |
| R43.htm | 10014 | 2016-05-13 11:21:52 |
| R44.htm | 14838 | 2016-05-13 11:21:52 |
| R45.htm | 21673 | 2016-05-13 11:21:52 |
| R46.htm | 23400 | 2016-05-13 11:21:52 |
| R47.htm | 79605 | 2016-05-13 11:21:52 |
| R5.htm | 71413 | 2016-05-13 11:21:52 |
| R6.htm | 15648 | 2016-05-13 11:21:52 |
| R7.htm | 24027 | 2016-05-13 11:21:52 |
| R8.htm | 35893 | 2016-05-13 11:21:52 |
| R9.htm | 7795 | 2016-05-13 11:21:52 |
| report.css | 2767 | 2016-05-13 11:21:52 |
| Show.js | 1410 | 2016-05-13 11:21:52 |