Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001402829-19-000036-index-headers.html | 2019-08-01 18:50:47 | |
| 0001402829-19-000036-index.html | 2019-08-01 18:50:47 | |
| 0001402829-19-000036.txt | 2019-08-01 18:50:47 | |
 0001402829-19-000036-xbrl.zip | 244344 | 2019-08-01 18:50:47 |
| FilingSummary.xml | 50564 | 2019-08-01 18:50:47 |
| Financial_Report.xlsx | 103970 | 2019-08-01 18:50:47 |
| orn-20190630.xml | 1665627 | 2019-08-01 18:50:47 |
| orn-20190630.xsd | 62360 | 2019-08-01 18:50:47 |
| orn-20190630_cal.xml | 125962 | 2019-08-01 18:50:47 |
| orn-20190630_def.xml | 298809 | 2019-08-01 18:50:47 |
| orn-20190630_lab.xml | 765216 | 2019-08-01 18:50:47 |
| orn-20190630_pre.xml | 506908 | 2019-08-01 18:50:47 |
| orn06301910q.htm | 1205168 | 2019-08-01 18:50:47 |
| orn6302019-311.htm | 12355 | 2019-08-01 18:50:47 |
| orn6302019-312.htm | 12317 | 2019-08-01 18:50:47 |
| orn6302019-321.htm | 8317 | 2019-08-01 18:50:47 |
| R1.htm | 27902 | 2019-08-01 18:50:47 |
| R10.htm | 61035 | 2019-08-01 18:50:47 |
| R11.htm | 46657 | 2019-08-01 18:50:47 |
| R12.htm | 66231 | 2019-08-01 18:50:47 |
| R13.htm | 24208 | 2019-08-01 18:50:47 |
| R14.htm | 27861 | 2019-08-01 18:50:47 |
| R15.htm | 6425 | 2019-08-01 18:50:47 |
| R16.htm | 36423 | 2019-08-01 18:50:47 |
| R17.htm | 40698 | 2019-08-01 18:50:47 |
| R18.htm | 20264 | 2019-08-01 18:50:47 |
| R19.htm | 68222 | 2019-08-01 18:50:47 |
| R2.htm | 104683 | 2019-08-01 18:50:47 |
| R20.htm | 17867 | 2019-08-01 18:50:47 |
| R21.htm | 27410 | 2019-08-01 18:50:47 |
| R22.htm | 15244 | 2019-08-01 18:50:47 |
| R23.htm | 10811 | 2019-08-01 18:50:47 |
| R24.htm | 48364 | 2019-08-01 18:50:47 |
| R25.htm | 169319 | 2019-08-01 18:50:47 |
| R26.htm | 82476 | 2019-08-01 18:50:47 |
| R27.htm | 32797 | 2019-08-01 18:50:47 |
| R28.htm | 42125 | 2019-08-01 18:50:47 |
| R29.htm | 66990 | 2019-08-01 18:50:47 |
| R3.htm | 21635 | 2019-08-01 18:50:47 |
| R30.htm | 22746 | 2019-08-01 18:50:47 |
| R31.htm | 28880 | 2019-08-01 18:50:47 |
| R32.htm | 26447 | 2019-08-01 18:50:47 |
| R33.htm | 40884 | 2019-08-01 18:50:47 |
| R34.htm | 19815 | 2019-08-01 18:50:47 |
| R35.htm | 43328 | 2019-08-01 18:50:47 |
| R36.htm | 14943 | 2019-08-01 18:50:47 |
| R37.htm | 25313 | 2019-08-01 18:50:47 |
| R38.htm | 46105 | 2019-08-01 18:50:47 |
| R39.htm | 115235 | 2019-08-01 18:50:47 |
| R4.htm | 57434 | 2019-08-01 18:50:47 |
| R40.htm | 6697 | 2019-08-01 18:50:47 |
| R41.htm | 38239 | 2019-08-01 18:50:47 |
| R42.htm | 8457 | 2019-08-01 18:50:47 |
| R43.htm | 12071 | 2019-08-01 18:50:47 |
| R44.htm | 28143 | 2019-08-01 18:50:47 |
| R45.htm | 9653 | 2019-08-01 18:50:47 |
| R46.htm | 23110 | 2019-08-01 18:50:47 |
| R47.htm | 17450 | 2019-08-01 18:50:47 |
| R48.htm | 7218 | 2019-08-01 18:50:47 |
| R49.htm | 5051 | 2019-08-01 18:50:47 |
| R5.htm | 12371 | 2019-08-01 18:50:47 |
| R50.htm | 9632 | 2019-08-01 18:50:47 |
| R51.htm | 24136 | 2019-08-01 18:50:47 |
| R52.htm | 38389 | 2019-08-01 18:50:47 |
| R53.htm | 16583 | 2019-08-01 18:50:47 |
| R54.htm | 20676 | 2019-08-01 18:50:47 |
| R55.htm | 32780 | 2019-08-01 18:50:47 |
| R56.htm | 6762 | 2019-08-01 18:50:47 |
| R57.htm | 20882 | 2019-08-01 18:50:47 |
| R58.htm | 9164 | 2019-08-01 18:50:47 |
| R59.htm | 8377 | 2019-08-01 18:50:47 |
| R6.htm | 5488 | 2019-08-01 18:50:47 |
| R60.htm | 17404 | 2019-08-01 18:50:47 |
| R61.htm | 33600 | 2019-08-01 18:50:47 |
| R62.htm | 17360 | 2019-08-01 18:50:47 |
| R63.htm | 22833 | 2019-08-01 18:50:47 |
| R64.htm | 51148 | 2019-08-01 18:50:47 |
| R65.htm | 47507 | 2019-08-01 18:50:47 |
| R66.htm | 25206 | 2019-08-01 18:50:47 |
| R67.htm | 20851 | 2019-08-01 18:50:47 |
| R68.htm | 11109 | 2019-08-01 18:50:47 |
| R69.htm | 21905 | 2019-08-01 18:50:47 |
| R7.htm | 73047 | 2019-08-01 18:50:47 |
| R70.htm | 8281 | 2019-08-01 18:50:47 |
| R71.htm | 6751 | 2019-08-01 18:50:47 |
| R72.htm | 15009 | 2019-08-01 18:50:47 |
| R73.htm | 67602 | 2019-08-01 18:50:47 |
| R74.htm | 24029 | 2019-08-01 18:50:47 |
| R75.htm | 18601 | 2019-08-01 18:50:47 |
| R76.htm | 31051 | 2019-08-01 18:50:47 |
| R77.htm | 23744 | 2019-08-01 18:50:47 |
| R78.htm | 11306 | 2019-08-01 18:50:47 |
| R79.htm | 14262 | 2019-08-01 18:50:47 |
| R8.htm | 96112 | 2019-08-01 18:50:47 |
| R80.htm | 13722 | 2019-08-01 18:50:47 |
| R81.htm | 47407 | 2019-08-01 18:50:47 |
| R9.htm | 14466 | 2019-08-01 18:50:47 |
| R9999.htm | 6148 | 2019-08-01 18:50:47 |
| report.css | 2767 | 2019-08-01 18:50:47 |
| Show.js | 1085 | 2019-08-01 18:50:47 |