Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000779544-26-000004-index-headers.html | 2026-01-26 16:06:25 | |
| 0000779544-26-000004-index.html | 2026-01-26 16:06:25 | |
| 0000779544-26-000004.txt | 2026-01-26 16:06:25 | |
 0000779544-26-000004-xbrl.zip | 831734 | 2026-01-26 16:06:25 |
| arkr-20260126.htm | 417734 | 2026-01-26 16:06:25 |
| arkr-20260126.xsd | 936 | 2026-01-26 16:06:25 |
 arkr-20260126_g1.jpg | 5740 | 2026-01-26 16:06:25 |
 arkr-20260126_g2.jpg | 228949 | 2026-01-26 16:06:25 |
 arkr-20260126_g3.jpg | 210896 | 2026-01-26 16:06:25 |
 arkr-20260126_g4.jpg | 484026 | 2026-01-26 16:06:25 |
 arkr-20260126_g5.jpg | 262696 | 2026-01-26 16:06:25 |
| arkr-20260126_htm.xml | 134942 | 2026-01-26 16:06:25 |
| FilingSummary.xml | 3436 | 2026-01-26 16:06:25 |
| MetaLinks.json | 207799 | 2026-01-26 16:06:25 |
| R1.htm | 10828 | 2026-01-26 16:06:25 |
| R2.htm | 152612 | 2026-01-26 16:06:25 |
| R3.htm | 12975 | 2026-01-26 16:06:25 |
| R4.htm | 4370 | 2026-01-26 16:06:25 |
| report.css | 2767 | 2026-01-26 16:06:25 |
| Show.js | 1085 | 2026-01-26 16:06:25 |