Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001171520-26-000156-index-headers.html | 2026-06-22 15:18:22 | |
| 0001171520-26-000156-index.html | 2026-06-22 15:18:22 | |
| 0001171520-26-000156.txt | 2026-06-22 15:18:22 | |
 0001171520-26-000156-xbrl.zip | 57057 | 2026-06-22 15:18:22 |
| drav-20260430.xsd | 17214 | 2026-06-22 15:18:22 |
| drav-20260430_cal.xml | 25515 | 2026-06-22 15:18:22 |
| drav-20260430_def.xml | 21771 | 2026-06-22 15:18:22 |
| drav-20260430_lab.xml | 125687 | 2026-06-22 15:18:22 |
| drav-20260430_pre.xml | 95539 | 2026-06-22 15:18:22 |
| eps12647_drav.htm | 284452 | 2026-06-22 15:18:22 |
| eps12647_drav_htm.xml | 124476 | 2026-06-22 15:18:22 |
| ex31-1.htm | 10068 | 2026-06-22 15:18:22 |
| ex32-1.htm | 4329 | 2026-06-22 15:18:22 |
| FilingSummary.xml | 14207 | 2026-06-22 15:18:22 |
| MetaLinks.json | 312547 | 2026-06-22 15:18:22 |
| R1.htm | 49941 | 2026-06-22 15:18:22 |
| R10.htm | 15550 | 2026-06-22 15:18:22 |
| R11.htm | 4732 | 2026-06-22 15:18:22 |
| R12.htm | 15985 | 2026-06-22 15:18:22 |
| R13.htm | 15786 | 2026-06-22 15:18:22 |
| R14.htm | 6631 | 2026-06-22 15:18:22 |
| R15.htm | 5742 | 2026-06-22 15:18:22 |
| R16.htm | 35633 | 2026-06-22 15:18:22 |
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| R18.htm | 23824 | 2026-06-22 15:18:22 |
| R19.htm | 5608 | 2026-06-22 15:18:22 |
| R2.htm | 86217 | 2026-06-22 15:18:22 |
| R20.htm | 8806 | 2026-06-22 15:18:22 |
| R21.htm | 15319 | 2026-06-22 15:18:22 |
| R22.htm | 28388 | 2026-06-22 15:18:22 |
| R23.htm | 23198 | 2026-06-22 15:18:22 |
| R3.htm | 16317 | 2026-06-22 15:18:22 |
| R4.htm | 71645 | 2026-06-22 15:18:22 |
| R5.htm | 31377 | 2026-06-22 15:18:22 |
| R6.htm | 58489 | 2026-06-22 15:18:22 |
| R7.htm | 8479 | 2026-06-22 15:18:22 |
| R8.htm | 6185 | 2026-06-22 15:18:22 |
| R9.htm | 10120 | 2026-06-22 15:18:22 |
| report.css | 2767 | 2026-06-22 15:18:22 |
| Show.js | 1085 | 2026-06-22 15:18:22 |