Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001402829-13-000003-index-headers.html | 2013-03-06 16:51:23 | |
| 0001402829-13-000003-index.html | 2013-03-06 16:51:23 | |
| 0001402829-13-000003.txt | 2013-03-06 16:51:23 | |
 0001402829-13-000003-xbrl.zip | 271766 | 2013-03-06 16:51:23 |
 b10kchart2012orn.jpg | 13437 | 2013-03-06 16:51:23 |
| FilingSummary.xml | 40067 | 2013-03-06 16:51:23 |
| Financial_Report.xls | 1605982 | 2013-03-06 16:51:23 |
| orn-20121231.xml | 1852317 | 2013-03-06 16:51:23 |
| orn-20121231.xsd | 75996 | 2013-03-06 16:51:23 |
| orn-20121231_cal.xml | 112481 | 2013-03-06 16:51:23 |
| orn-20121231_def.xml | 361129 | 2013-03-06 16:51:23 |
| orn-20121231_lab.xml | 942800 | 2013-03-06 16:51:23 |
| orn-20121231_pre.xml | 525323 | 2013-03-06 16:51:23 |
| orn-ex211_20121231x10k.htm | 30772 | 2013-03-06 16:51:23 |
| orn-ex231_20121231x10k.htm | 3551 | 2013-03-06 16:51:23 |
| orn12312012-311.htm | 14755 | 2013-03-06 16:51:23 |
| orn12312012-312.htm | 14160 | 2013-03-06 16:51:23 |
| orn12312012-321.htm | 8431 | 2013-03-06 16:51:23 |
| orn12312012.htm | 1763909 | 2013-03-06 16:51:23 |
| R1.htm | 37267 | 2013-03-06 16:51:23 |
| R10.htm | 66772 | 2013-03-06 16:51:23 |
| R11.htm | 28916 | 2013-03-06 16:51:23 |
| R12.htm | 34195 | 2013-03-06 16:51:23 |
| R13.htm | 8793 | 2013-03-06 16:51:23 |
| R14.htm | 40772 | 2013-03-06 16:51:23 |
| R15.htm | 43180 | 2013-03-06 16:51:23 |
| R16.htm | 16287 | 2013-03-06 16:51:23 |
| R17.htm | 24240 | 2013-03-06 16:51:23 |
| R18.htm | 7252 | 2013-03-06 16:51:23 |
| R19.htm | 124865 | 2013-03-06 16:51:23 |
| R2.htm | 170332 | 2013-03-06 16:51:23 |
| R20.htm | 30651 | 2013-03-06 16:51:23 |
| R21.htm | 120284 | 2013-03-06 16:51:23 |
| R22.htm | 35802 | 2013-03-06 16:51:23 |
| R23.htm | 22669 | 2013-03-06 16:51:23 |
| R24.htm | 89226 | 2013-03-06 16:51:23 |
| R25.htm | 23833 | 2013-03-06 16:51:23 |
| R26.htm | 139593 | 2013-03-06 16:51:23 |
| R27.htm | 30564 | 2013-03-06 16:51:23 |
| R28.htm | 14296 | 2013-03-06 16:51:23 |
| R29.htm | 61131 | 2013-03-06 16:51:23 |
| R3.htm | 34530 | 2013-03-06 16:51:23 |
| R30.htm | 23205 | 2013-03-06 16:51:23 |
| R31.htm | 30565 | 2013-03-06 16:51:23 |
| R32.htm | 31256 | 2013-03-06 16:51:23 |
| R33.htm | 43871 | 2013-03-06 16:51:23 |
| R34.htm | 15838 | 2013-03-06 16:51:23 |
| R35.htm | 121656 | 2013-03-06 16:51:23 |
| R36.htm | 27149 | 2013-03-06 16:51:23 |
| R37.htm | 113895 | 2013-03-06 16:51:23 |
| R38.htm | 29495 | 2013-03-06 16:51:23 |
| R39.htm | 13229 | 2013-03-06 16:51:23 |
| R4.htm | 84206 | 2013-03-06 16:51:23 |
| R40.htm | 86651 | 2013-03-06 16:51:23 |
| R41.htm | 12319 | 2013-03-06 16:51:23 |
| R42.htm | 9958 | 2013-03-06 16:51:23 |
| R43.htm | 17364 | 2013-03-06 16:51:23 |
| R44.htm | 27299 | 2013-03-06 16:51:23 |
| R45.htm | 17352 | 2013-03-06 16:51:23 |
| R46.htm | 53496 | 2013-03-06 16:51:23 |
| R47.htm | 27910 | 2013-03-06 16:51:23 |
| R48.htm | 61082 | 2013-03-06 16:51:23 |
| R49.htm | 24766 | 2013-03-06 16:51:23 |
| R5.htm | 82053 | 2013-03-06 16:51:23 |
| R50.htm | 65292 | 2013-03-06 16:51:23 |
| R51.htm | 9378 | 2013-03-06 16:51:23 |
| R52.htm | 15871 | 2013-03-06 16:51:23 |
| R53.htm | 11937 | 2013-03-06 16:51:23 |
| R54.htm | 13243 | 2013-03-06 16:51:23 |
| R55.htm | 21369 | 2013-03-06 16:51:23 |
| R56.htm | 14978 | 2013-03-06 16:51:23 |
| R57.htm | 23572 | 2013-03-06 16:51:23 |
| R58.htm | 75007 | 2013-03-06 16:51:23 |
| R59.htm | 14038 | 2013-03-06 16:51:23 |
| R6.htm | 159704 | 2013-03-06 16:51:23 |
| R60.htm | 19618 | 2013-03-06 16:51:23 |
| R61.htm | 51040 | 2013-03-06 16:51:23 |
| R62.htm | 28968 | 2013-03-06 16:51:23 |
| R63.htm | 58320 | 2013-03-06 16:51:23 |
| R64.htm | 13732 | 2013-03-06 16:51:23 |
| R65.htm | 22793 | 2013-03-06 16:51:23 |
| R66.htm | 9266 | 2013-03-06 16:51:23 |
| R67.htm | 63608 | 2013-03-06 16:51:23 |
| R68.htm | 36686 | 2013-03-06 16:51:23 |
| R69.htm | 62348 | 2013-03-06 16:51:23 |
| R7.htm | 9851 | 2013-03-06 16:51:23 |
| R70.htm | 21125 | 2013-03-06 16:51:23 |
| R71.htm | 23260 | 2013-03-06 16:51:23 |
| R72.htm | 23710 | 2013-03-06 16:51:23 |
| R73.htm | 31191 | 2013-03-06 16:51:23 |
| R74.htm | 40020 | 2013-03-06 16:51:23 |
| R75.htm | 35486 | 2013-03-06 16:51:23 |
| R76.htm | 12895 | 2013-03-06 16:51:23 |
| R8.htm | 65516 | 2013-03-06 16:51:23 |
| R9.htm | 27603 | 2013-03-06 16:51:23 |
| report.css | 2721 | 2013-03-06 16:51:23 |
| Show.js | 6423 | 2013-03-06 16:51:23 |