Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001144204-19-012912-index-headers.html | 2019-03-08 13:14:10 | |
| 0001144204-19-012912-index.html | 2019-03-08 13:14:10 | |
| 0001144204-19-012912.txt | 2019-03-08 13:14:10 | |
 0001144204-19-012912-xbrl.zip | 156950 | 2019-03-08 13:14:10 |
| FilingSummary.xml | 41318 | 2019-03-08 13:14:10 |
| Financial_Report.xlsx | 66451 | 2019-03-08 13:14:10 |
| otel-20181231.xml | 1348780 | 2019-03-08 13:14:10 |
| otel-20181231.xsd | 61438 | 2019-03-08 13:14:10 |
| otel-20181231_cal.xml | 53055 | 2019-03-08 13:14:10 |
| otel-20181231_def.xml | 437730 | 2019-03-08 13:14:10 |
| otel-20181231_lab.xml | 384758 | 2019-03-08 13:14:10 |
| otel-20181231_pre.xml | 471220 | 2019-03-08 13:14:10 |
| R1.htm | 39610 | 2019-03-08 13:14:10 |
| R10.htm | 41125 | 2019-03-08 13:14:10 |
| R11.htm | 16184 | 2019-03-08 13:14:10 |
| R12.htm | 16074 | 2019-03-08 13:14:10 |
| R13.htm | 38721 | 2019-03-08 13:14:10 |
| R14.htm | 84281 | 2019-03-08 13:14:10 |
| R15.htm | 12813 | 2019-03-08 13:14:10 |
| R16.htm | 23181 | 2019-03-08 13:14:10 |
| R17.htm | 66200 | 2019-03-08 13:14:10 |
| R18.htm | 20433 | 2019-03-08 13:14:10 |
| R19.htm | 15172 | 2019-03-08 13:14:10 |
| R2.htm | 75044 | 2019-03-08 13:14:10 |
| R20.htm | 36663 | 2019-03-08 13:14:10 |
| R21.htm | 41269 | 2019-03-08 13:14:10 |
| R22.htm | 155191 | 2019-03-08 13:14:10 |
| R23.htm | 47278 | 2019-03-08 13:14:10 |
| R24.htm | 38183 | 2019-03-08 13:14:10 |
| R25.htm | 15090 | 2019-03-08 13:14:10 |
| R26.htm | 13398 | 2019-03-08 13:14:10 |
| R27.htm | 31750 | 2019-03-08 13:14:10 |
| R28.htm | 78289 | 2019-03-08 13:14:10 |
| R29.htm | 21308 | 2019-03-08 13:14:10 |
| R3.htm | 12912 | 2019-03-08 13:14:10 |
| R30.htm | 52179 | 2019-03-08 13:14:10 |
| R31.htm | 11182 | 2019-03-08 13:14:10 |
| R32.htm | 11493 | 2019-03-08 13:14:10 |
| R33.htm | 28514 | 2019-03-08 13:14:10 |
| R34.htm | 40337 | 2019-03-08 13:14:10 |
| R35.htm | 43355 | 2019-03-08 13:14:10 |
| R36.htm | 23792 | 2019-03-08 13:14:10 |
| R37.htm | 29167 | 2019-03-08 13:14:10 |
| R38.htm | 16629 | 2019-03-08 13:14:10 |
| R39.htm | 14931 | 2019-03-08 13:14:10 |
| R4.htm | 51487 | 2019-03-08 13:14:10 |
| R40.htm | 7473 | 2019-03-08 13:14:10 |
| R41.htm | 32627 | 2019-03-08 13:14:10 |
| R42.htm | 9865 | 2019-03-08 13:14:10 |
| R43.htm | 6302 | 2019-03-08 13:14:10 |
| R44.htm | 7600 | 2019-03-08 13:14:10 |
| R45.htm | 42646 | 2019-03-08 13:14:10 |
| R46.htm | 25720 | 2019-03-08 13:14:10 |
| R47.htm | 4274 | 2019-03-08 13:14:10 |
| R48.htm | 16185 | 2019-03-08 13:14:10 |
| R49.htm | 16467 | 2019-03-08 13:14:10 |
| R5.htm | 39766 | 2019-03-08 13:14:10 |
| R50.htm | 22284 | 2019-03-08 13:14:10 |
| R51.htm | 29188 | 2019-03-08 13:14:10 |
| R52.htm | 22123 | 2019-03-08 13:14:10 |
| R53.htm | 23827 | 2019-03-08 13:14:10 |
| R54.htm | 23224 | 2019-03-08 13:14:10 |
| R55.htm | 18005 | 2019-03-08 13:14:10 |
| R56.htm | 85643 | 2019-03-08 13:14:10 |
| R57.htm | 9078 | 2019-03-08 13:14:10 |
| R58.htm | 3108 | 2019-03-08 13:14:10 |
| R59.htm | 17912 | 2019-03-08 13:14:10 |
| R6.htm | 88310 | 2019-03-08 13:14:10 |
| R60.htm | 33915 | 2019-03-08 13:14:10 |
| R61.htm | 22019 | 2019-03-08 13:14:10 |
| R62.htm | 17793 | 2019-03-08 13:14:10 |
| R63.htm | 19133 | 2019-03-08 13:14:10 |
| R7.htm | 14632 | 2019-03-08 13:14:10 |
| R8.htm | 96660 | 2019-03-08 13:14:10 |
| R9.htm | 55520 | 2019-03-08 13:14:10 |
| report.css | 2767 | 2019-03-08 13:14:10 |
| Show.js | 1085 | 2019-03-08 13:14:10 |
| tv515444_10k.htm | 1277195 | 2019-03-08 13:14:10 |
| tv515444_ex21-1.htm | 12728 | 2019-03-08 13:14:10 |
| tv515444_ex23-1.htm | 1852 | 2019-03-08 13:14:10 |
| tv515444_ex31-1.htm | 10206 | 2019-03-08 13:14:10 |
| tv515444_ex31-2.htm | 10208 | 2019-03-08 13:14:10 |
| tv515444_ex32-1.htm | 4080 | 2019-03-08 13:14:10 |
| tv515444_ex32-2.htm | 4178 | 2019-03-08 13:14:10 |