Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000354707-20-000024-index-headers.html | 2020-02-12 21:15:08 | |
| 0000354707-20-000024-index.html | 2020-02-12 21:15:08 | |
| 0000354707-20-000024.txt | 2020-02-12 21:15:08 | |
 0000354707-20-000024-xbrl.zip | 35532 | 2020-02-12 21:15:08 |
| exhibit992-13x20useforsing.htm | 459984 | 2020-02-12 21:15:08 |
| FilingSummary.xml | 1742 | 2020-02-12 21:15:08 |
| Financial_Report.xlsx | 5991 | 2020-02-12 21:15:08 |
| he-20200213.xsd | 4869 | 2020-02-12 21:15:08 |
| he-20200213_cal.xml | 596 | 2020-02-12 21:15:08 |
| he-20200213_def.xml | 16495 | 2020-02-12 21:15:08 |
| he-20200213_lab.xml | 35012 | 2020-02-12 21:15:08 |
| he-20200213_pre.xml | 17983 | 2020-02-12 21:15:08 |
 heicatalyst2a39.jpg | 48357 | 2020-02-12 21:15:08 |
| heiheform8-k2x13x20use.htm | 49127 | 2020-02-12 21:15:08 |
| heiheform8-k2x13x20use_htm.xml | 7703 | 2020-02-12 21:15:08 |
| MetaLinks.json | 23018 | 2020-02-12 21:15:08 |
| R1.htm | 43774 | 2020-02-12 21:15:08 |
| report.css | 2766 | 2020-02-12 21:15:08 |
| Show.js | 1085 | 2020-02-12 21:15:08 |