Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-22-010864-index-headers.html | 2022-07-21 11:32:38 | |
| 0001558370-22-010864-index.html | 2022-07-21 11:32:38 | |
| 0001558370-22-010864.txt | 2022-07-21 11:32:38 | |
 0001558370-22-010864-xbrl.zip | 10804 | 2022-07-21 11:32:38 |
| erkh-20220721.xsd | 3727 | 2022-07-21 11:32:38 |
| erkh-20220721x8k.htm | 42418 | 2022-07-21 11:32:38 |
| erkh-20220721x8k_htm.xml | 4331 | 2022-07-21 11:32:38 |
| erkh-20220721_def.xml | 2725 | 2022-07-21 11:32:38 |
| erkh-20220721_lab.xml | 15436 | 2022-07-21 11:32:38 |
| erkh-20220721_pre.xml | 8953 | 2022-07-21 11:32:38 |
| FilingSummary.xml | 1737 | 2022-07-21 11:32:38 |
| Financial_Report.xlsx | 5637 | 2022-07-21 11:32:38 |
| MetaLinks.json | 15304 | 2022-07-21 11:32:38 |
| R1.htm | 35580 | 2022-07-21 11:32:38 |
| report.css | 2767 | 2022-07-21 11:32:38 |
| Show.js | 1084 | 2022-07-21 11:32:38 |