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| 0001376474-22-000200-index.html | 2022-04-11 10:15:58 | |
| 0001376474-22-000200.txt | 2022-04-11 10:15:58 | |
 0001376474-22-000200-xbrl.zip | 136159 | 2022-04-11 10:15:58 |
| FilingSummary.xml | 5430 | 2022-04-11 10:15:58 |
| Financial_Report.xlsx | 11293 | 2022-04-11 10:15:58 |
| herz-20220331.htm | 78863 | 2022-04-11 10:15:58 |
| herz-20220331.xsd | 24753 | 2022-04-11 10:15:58 |
| herz-20220331_cal.xml | 9280 | 2022-04-11 10:15:58 |
| herz-20220331_def.xml | 8937 | 2022-04-11 10:15:58 |
| herz-20220331_htm.xml | 17630 | 2022-04-11 10:15:58 |
| herz-20220331_lab.xml | 49558 | 2022-04-11 10:15:58 |
| herz-20220331_pre.xml | 37629 | 2022-04-11 10:15:58 |
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| hz_ex31.htm | 4511 | 2022-04-11 10:15:58 |
| MetaLinks.json | 106959 | 2022-04-11 10:15:58 |
| R1.htm | 49354 | 2022-04-11 10:15:58 |
| R2.htm | 56217 | 2022-04-11 10:15:58 |
| R3.htm | 39358 | 2022-04-11 10:15:58 |
| R4.htm | 16776 | 2022-04-11 10:15:58 |
| R5.htm | 34549 | 2022-04-11 10:15:58 |
| R6.htm | 6532 | 2022-04-11 10:15:58 |
| R7.htm | 3925 | 2022-04-11 10:15:58 |
| report.css | 2767 | 2022-04-11 10:15:58 |
| Show.js | 1085 | 2022-04-11 10:15:58 |