Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001047469-19-006284-index-headers.html | 2019-11-13 14:22:33 | |
| 0001047469-19-006284-index.html | 2019-11-13 14:22:33 | |
| 0001047469-19-006284.txt | 2019-11-13 14:22:33 | |
 0001047469-19-006284-xbrl.zip | 161866 | 2019-11-13 14:22:33 |
| a2240034z10-q.htm | 1145701 | 2019-11-13 14:22:33 |
| a2240034zex-31_1.htm | 8158 | 2019-11-13 14:22:33 |
| a2240034zex-31_2.htm | 8192 | 2019-11-13 14:22:33 |
| a2240034zex-32_1.htm | 4524 | 2019-11-13 14:22:33 |
| a2240034zex-32_2.htm | 4566 | 2019-11-13 14:22:33 |
| 128512 | 2019-11-13 14:22:33 | |
| FilingSummary.xml | 25614 | 2019-11-13 14:22:33 |
| Financial_Report.xlsx | 67751 | 2019-11-13 14:22:33 |
 g360894.jpg | 10716 | 2019-11-13 14:22:33 |
| opc-20190930.xml | 2369198 | 2019-11-13 14:22:33 |
| opc-20190930.xsd | 66388 | 2019-11-13 14:22:33 |
| opc-20190930_cal.xml | 81414 | 2019-11-13 14:22:33 |
| opc-20190930_def.xml | 154183 | 2019-11-13 14:22:33 |
| opc-20190930_lab.xml | 537847 | 2019-11-13 14:22:33 |
| opc-20190930_pre.xml | 336664 | 2019-11-13 14:22:33 |
| R1.htm | 26990 | 2019-11-13 14:22:33 |
| R10.htm | 8405 | 2019-11-13 14:22:33 |
| R11.htm | 53414 | 2019-11-13 14:22:33 |
| R12.htm | 238107 | 2019-11-13 14:22:33 |
| R13.htm | 8306 | 2019-11-13 14:22:33 |
| R14.htm | 5472 | 2019-11-13 14:22:33 |
| R15.htm | 95082 | 2019-11-13 14:22:33 |
| R16.htm | 5110 | 2019-11-13 14:22:33 |
| R17.htm | 17749 | 2019-11-13 14:22:33 |
| R18.htm | 16532 | 2019-11-13 14:22:33 |
| R19.htm | 380533 | 2019-11-13 14:22:33 |
| R2.htm | 101935 | 2019-11-13 14:22:33 |
| R20.htm | 129151 | 2019-11-13 14:22:33 |
| R21.htm | 77819 | 2019-11-13 14:22:33 |
| R22.htm | 40925 | 2019-11-13 14:22:33 |
| R23.htm | 239082 | 2019-11-13 14:22:33 |
| R24.htm | 94451 | 2019-11-13 14:22:33 |
| R25.htm | 4098 | 2019-11-13 14:22:33 |
| R26.htm | 65838 | 2019-11-13 14:22:33 |
| R27.htm | 16676 | 2019-11-13 14:22:33 |
| R28.htm | 9269 | 2019-11-13 14:22:33 |
| R29.htm | 22914 | 2019-11-13 14:22:33 |
| R3.htm | 47207 | 2019-11-13 14:22:33 |
| R30.htm | 15628 | 2019-11-13 14:22:33 |
| R31.htm | 16644 | 2019-11-13 14:22:33 |
| R32.htm | 40792 | 2019-11-13 14:22:33 |
| R33.htm | 26606 | 2019-11-13 14:22:33 |
| R34.htm | 10956 | 2019-11-13 14:22:33 |
| R35.htm | 35723 | 2019-11-13 14:22:33 |
| R36.htm | 36658 | 2019-11-13 14:22:33 |
| R37.htm | 25758 | 2019-11-13 14:22:33 |
| R38.htm | 76592 | 2019-11-13 14:22:33 |
| R39.htm | 10374 | 2019-11-13 14:22:33 |
| R4.htm | 12811 | 2019-11-13 14:22:33 |
| R40.htm | 67164 | 2019-11-13 14:22:33 |
| R41.htm | 40673 | 2019-11-13 14:22:33 |
| R42.htm | 8118 | 2019-11-13 14:22:33 |
| R43.htm | 40174 | 2019-11-13 14:22:33 |
| R5.htm | 96887 | 2019-11-13 14:22:33 |
| R6.htm | 7385 | 2019-11-13 14:22:33 |
| R7.htm | 389028 | 2019-11-13 14:22:33 |
| R8.htm | 129750 | 2019-11-13 14:22:33 |
| R9.htm | 80308 | 2019-11-13 14:22:33 |
| report.css | 2767 | 2019-11-13 14:22:33 |
| Show.js | 1085 | 2019-11-13 14:22:33 |