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| 0000741815-18-000027-index.html | 2018-04-17 08:35:02 | |
| 0000741815-18-000027.txt | 2018-04-17 08:35:02 | |
 0000741815-18-000027-xbrl.zip | 232432 | 2018-04-17 08:35:02 |
| exhibit311q22017amend.htm | 8781 | 2018-04-17 08:35:02 |
| exhibit312q22017amend.htm | 8834 | 2018-04-17 08:35:02 |
| exhibit321q22017amend.htm | 5617 | 2018-04-17 08:35:02 |
| exhibit322q22017amend.htm | 5539 | 2018-04-17 08:35:02 |
| FilingSummary.xml | 27342 | 2018-04-17 08:35:02 |
| Financial_Report.xlsx | 76588 | 2018-04-17 08:35:02 |
| hh-20170630.xml | 1418664 | 2018-04-17 08:35:02 |
| hh-20170630.xsd | 47698 | 2018-04-17 08:35:02 |
| hh-20170630_cal.xml | 69547 | 2018-04-17 08:35:02 |
| hh-20170630_def.xml | 371701 | 2018-04-17 08:35:02 |
| hh-20170630_lab.xml | 693502 | 2018-04-17 08:35:02 |
| hh-20170630_pre.xml | 470130 | 2018-04-17 08:35:02 |
| hh0630201710qa.htm | 1147138 | 2018-04-17 08:35:02 |
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| report.css | 2767 | 2018-04-17 08:35:02 |
| Show.js | 1410 | 2018-04-17 08:35:02 |