Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-25-013473-index-headers.html | 2025-09-15 16:16:11 | |
| 0001493152-25-013473-index.html | 2025-09-15 16:16:11 | |
| 0001493152-25-013473.txt | 2025-09-15 16:16:11 | |
 0001493152-25-013473-xbrl.zip | 154749 | 2025-09-15 16:16:11 |
| ex31-1.htm | 16444 | 2025-09-15 16:16:11 |
| ex31-2.htm | 16418 | 2025-09-15 16:16:11 |
| ex32-1.htm | 7758 | 2025-09-15 16:16:11 |
| ex32-2.htm | 7793 | 2025-09-15 16:16:11 |
| FilingSummary.xml | 37819 | 2025-09-15 16:16:11 |
| form10-q.htm | 834482 | 2025-09-15 16:16:11 |
| form10-q_htm.xml | 782332 | 2025-09-15 16:16:11 |
| MetaLinks.json | 820638 | 2025-09-15 16:16:11 |
| optt-20250731.xsd | 43977 | 2025-09-15 16:16:11 |
| optt-20250731_cal.xml | 76901 | 2025-09-15 16:16:11 |
| optt-20250731_def.xml | 167720 | 2025-09-15 16:16:11 |
| optt-20250731_lab.xml | 346044 | 2025-09-15 16:16:11 |
| optt-20250731_pre.xml | 280366 | 2025-09-15 16:16:11 |
| R1.htm | 56519 | 2025-09-15 16:16:11 |
| R10.htm | 10105 | 2025-09-15 16:16:11 |
| R11.htm | 9980 | 2025-09-15 16:16:11 |
| R12.htm | 14793 | 2025-09-15 16:16:11 |
| R13.htm | 12178 | 2025-09-15 16:16:11 |
| R14.htm | 7317 | 2025-09-15 16:16:11 |
| R15.htm | 27345 | 2025-09-15 16:16:11 |
| R16.htm | 11711 | 2025-09-15 16:16:11 |
| R17.htm | 48393 | 2025-09-15 16:16:11 |
| R18.htm | 22417 | 2025-09-15 16:16:11 |
| R19.htm | 19247 | 2025-09-15 16:16:11 |
| R2.htm | 124510 | 2025-09-15 16:16:11 |
| R20.htm | 11107 | 2025-09-15 16:16:11 |
| R21.htm | 15312 | 2025-09-15 16:16:11 |
| R22.htm | 22668 | 2025-09-15 16:16:11 |
| R23.htm | 145962 | 2025-09-15 16:16:11 |
| R24.htm | 41419 | 2025-09-15 16:16:11 |
| R25.htm | 20444 | 2025-09-15 16:16:11 |
| R26.htm | 9509 | 2025-09-15 16:16:11 |
| R27.htm | 9438 | 2025-09-15 16:16:11 |
| R28.htm | 12154 | 2025-09-15 16:16:11 |
| R29.htm | 9912 | 2025-09-15 16:16:11 |
| R3.htm | 24091 | 2025-09-15 16:16:11 |
| R30.htm | 23549 | 2025-09-15 16:16:11 |
| R31.htm | 9893 | 2025-09-15 16:16:11 |
| R32.htm | 35764 | 2025-09-15 16:16:11 |
| R33.htm | 11386 | 2025-09-15 16:16:11 |
| R34.htm | 14195 | 2025-09-15 16:16:11 |
| R35.htm | 20246 | 2025-09-15 16:16:11 |
| R36.htm | 11019 | 2025-09-15 16:16:11 |
| R37.htm | 23113 | 2025-09-15 16:16:11 |
| R38.htm | 47549 | 2025-09-15 16:16:11 |
| R39.htm | 65726 | 2025-09-15 16:16:11 |
| R4.htm | 89375 | 2025-09-15 16:16:11 |
| R40.htm | 10195 | 2025-09-15 16:16:11 |
| R41.htm | 8334 | 2025-09-15 16:16:11 |
| R42.htm | 8320 | 2025-09-15 16:16:11 |
| R43.htm | 10536 | 2025-09-15 16:16:11 |
| R44.htm | 13875 | 2025-09-15 16:16:11 |
| R45.htm | 23678 | 2025-09-15 16:16:11 |
| R46.htm | 5979 | 2025-09-15 16:16:11 |
| R47.htm | 14843 | 2025-09-15 16:16:11 |
| R48.htm | 6595 | 2025-09-15 16:16:11 |
| R49.htm | 8135 | 2025-09-15 16:16:11 |
| R5.htm | 56756 | 2025-09-15 16:16:11 |
| R50.htm | 8788 | 2025-09-15 16:16:11 |
| R51.htm | 14408 | 2025-09-15 16:16:11 |
| R52.htm | 23712 | 2025-09-15 16:16:11 |
| R53.htm | 8926 | 2025-09-15 16:16:11 |
| R54.htm | 16451 | 2025-09-15 16:16:11 |
| R55.htm | 31082 | 2025-09-15 16:16:11 |
| R56.htm | 31591 | 2025-09-15 16:16:11 |
| R57.htm | 31661 | 2025-09-15 16:16:11 |
| R58.htm | 54906 | 2025-09-15 16:16:11 |
| R59.htm | 17886 | 2025-09-15 16:16:11 |
| R6.htm | 80578 | 2025-09-15 16:16:11 |
| R60.htm | 51669 | 2025-09-15 16:16:11 |
| R61.htm | 3956 | 2025-09-15 16:16:11 |
| R62.htm | 54890 | 2025-09-15 16:16:11 |
| R63.htm | 5050 | 2025-09-15 16:16:11 |
| R7.htm | 14873 | 2025-09-15 16:16:11 |
| R8.htm | 94860 | 2025-09-15 16:16:11 |
| R9.htm | 20596 | 2025-09-15 16:16:11 |
| report.css | 2767 | 2025-09-15 16:16:11 |
| Show.js | 1085 | 2025-09-15 16:16:11 |