Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001144204-18-020539-index-headers.html | 2018-04-13 17:02:47 | |
| 0001144204-18-020539-index.html | 2018-04-13 17:02:47 | |
| 0001144204-18-020539.txt | 2018-04-13 17:02:47 | |
 0001144204-18-020539-xbrl.zip | 265906 | 2018-04-13 17:02:47 |
| FilingSummary.xml | 64846 | 2018-04-13 17:02:47 |
| Financial_Report.xlsx | 148860 | 2018-04-13 17:02:47 |
| prpo-20171231.xml | 2033322 | 2018-04-13 17:02:47 |
| prpo-20171231.xsd | 91983 | 2018-04-13 17:02:47 |
| prpo-20171231_cal.xml | 88864 | 2018-04-13 17:02:47 |
| prpo-20171231_def.xml | 555073 | 2018-04-13 17:02:47 |
| prpo-20171231_lab.xml | 780280 | 2018-04-13 17:02:47 |
| prpo-20171231_pre.xml | 832786 | 2018-04-13 17:02:47 |
| R1.htm | 28404 | 2018-04-13 17:02:47 |
| R10.htm | 36425 | 2018-04-13 17:02:47 |
| R11.htm | 35299 | 2018-04-13 17:02:47 |
| R12.htm | 110322 | 2018-04-13 17:02:47 |
| R13.htm | 28702 | 2018-04-13 17:02:47 |
| R14.htm | 34584 | 2018-04-13 17:02:47 |
| R15.htm | 94126 | 2018-04-13 17:02:47 |
| R16.htm | 114595 | 2018-04-13 17:02:47 |
| R17.htm | 124108 | 2018-04-13 17:02:47 |
| R18.htm | 20367 | 2018-04-13 17:02:47 |
| R19.htm | 26730 | 2018-04-13 17:02:47 |
| R2.htm | 80453 | 2018-04-13 17:02:47 |
| R20.htm | 67705 | 2018-04-13 17:02:47 |
| R21.htm | 34421 | 2018-04-13 17:02:47 |
| R22.htm | 132099 | 2018-04-13 17:02:47 |
| R23.htm | 25338 | 2018-04-13 17:02:47 |
| R24.htm | 56351 | 2018-04-13 17:02:47 |
| R25.htm | 36008 | 2018-04-13 17:02:47 |
| R26.htm | 35464 | 2018-04-13 17:02:47 |
| R27.htm | 65648 | 2018-04-13 17:02:47 |
| R28.htm | 30764 | 2018-04-13 17:02:47 |
| R29.htm | 73577 | 2018-04-13 17:02:47 |
| R3.htm | 19079 | 2018-04-13 17:02:47 |
| R30.htm | 109740 | 2018-04-13 17:02:47 |
| R31.htm | 57368 | 2018-04-13 17:02:47 |
| R32.htm | 16218 | 2018-04-13 17:02:47 |
| R33.htm | 18487 | 2018-04-13 17:02:47 |
| R34.htm | 65733 | 2018-04-13 17:02:47 |
| R35.htm | 86277 | 2018-04-13 17:02:47 |
| R36.htm | 44427 | 2018-04-13 17:02:47 |
| R37.htm | 17849 | 2018-04-13 17:02:47 |
| R38.htm | 14947 | 2018-04-13 17:02:47 |
| R39.htm | 49829 | 2018-04-13 17:02:47 |
| R4.htm | 71413 | 2018-04-13 17:02:47 |
| R40.htm | 18021 | 2018-04-13 17:02:47 |
| R41.htm | 40222 | 2018-04-13 17:02:47 |
| R42.htm | 8552 | 2018-04-13 17:02:47 |
| R43.htm | 23426 | 2018-04-13 17:02:47 |
| R44.htm | 20222 | 2018-04-13 17:02:47 |
| R45.htm | 23021 | 2018-04-13 17:02:47 |
| R46.htm | 13682 | 2018-04-13 17:02:47 |
| R47.htm | 32048 | 2018-04-13 17:02:47 |
| R48.htm | 50377 | 2018-04-13 17:02:47 |
| R49.htm | 19518 | 2018-04-13 17:02:47 |
| R5.htm | 79594 | 2018-04-13 17:02:47 |
| R50.htm | 15372 | 2018-04-13 17:02:47 |
| R51.htm | 19124 | 2018-04-13 17:02:47 |
| R52.htm | 69027 | 2018-04-13 17:02:47 |
| R53.htm | 24715 | 2018-04-13 17:02:47 |
| R54.htm | 22988 | 2018-04-13 17:02:47 |
| R55.htm | 36038 | 2018-04-13 17:02:47 |
| R56.htm | 66068 | 2018-04-13 17:02:47 |
| R57.htm | 55598 | 2018-04-13 17:02:47 |
| R58.htm | 72688 | 2018-04-13 17:02:47 |
| R59.htm | 22236 | 2018-04-13 17:02:47 |
| R6.htm | 123533 | 2018-04-13 17:02:47 |
| R60.htm | 12300 | 2018-04-13 17:02:47 |
| R61.htm | 7939 | 2018-04-13 17:02:47 |
| R62.htm | 91359 | 2018-04-13 17:02:47 |
| R63.htm | 8200 | 2018-04-13 17:02:47 |
| R64.htm | 21928 | 2018-04-13 17:02:47 |
| R65.htm | 12295 | 2018-04-13 17:02:47 |
| R66.htm | 8287 | 2018-04-13 17:02:47 |
| R67.htm | 16940 | 2018-04-13 17:02:47 |
| R68.htm | 21748 | 2018-04-13 17:02:47 |
| R69.htm | 32888 | 2018-04-13 17:02:47 |
| R7.htm | 37570 | 2018-04-13 17:02:47 |
| R70.htm | 23834 | 2018-04-13 17:02:47 |
| R71.htm | 26645 | 2018-04-13 17:02:47 |
| R72.htm | 7197 | 2018-04-13 17:02:47 |
| R73.htm | 60012 | 2018-04-13 17:02:47 |
| R74.htm | 13659 | 2018-04-13 17:02:47 |
| R75.htm | 4474 | 2018-04-13 17:02:47 |
| R76.htm | 55746 | 2018-04-13 17:02:47 |
| R77.htm | 74654 | 2018-04-13 17:02:47 |
| R78.htm | 78473 | 2018-04-13 17:02:47 |
| R79.htm | 47436 | 2018-04-13 17:02:47 |
| R8.htm | 78028 | 2018-04-13 17:02:47 |
| R80.htm | 36090 | 2018-04-13 17:02:47 |
| R81.htm | 24583 | 2018-04-13 17:02:47 |
| R82.htm | 19756 | 2018-04-13 17:02:47 |
| R83.htm | 14620 | 2018-04-13 17:02:47 |
| R84.htm | 54436 | 2018-04-13 17:02:47 |
| R85.htm | 14246 | 2018-04-13 17:02:47 |
| R86.htm | 23290 | 2018-04-13 17:02:47 |
| R87.htm | 17481 | 2018-04-13 17:02:47 |
| R88.htm | 17508 | 2018-04-13 17:02:47 |
| R89.htm | 42077 | 2018-04-13 17:02:47 |
| R9.htm | 62687 | 2018-04-13 17:02:47 |
| R90.htm | 9572 | 2018-04-13 17:02:47 |
| R91.htm | 12316 | 2018-04-13 17:02:47 |
| R92.htm | 55565 | 2018-04-13 17:02:47 |
| R93.htm | 22758 | 2018-04-13 17:02:47 |
| R94.htm | 14399 | 2018-04-13 17:02:47 |
| R95.htm | 14225 | 2018-04-13 17:02:47 |
| R96.htm | 16959 | 2018-04-13 17:02:47 |
| R97.htm | 100127 | 2018-04-13 17:02:47 |
| report.css | 2768 | 2018-04-13 17:02:47 |
| Show.js | 1411 | 2018-04-13 17:02:47 |
| tv489111_10k.htm | 1115008 | 2018-04-13 17:02:47 |
| tv489111_ex21-1.htm | 1975 | 2018-04-13 17:02:47 |
| tv489111_ex23-1.htm | 2627 | 2018-04-13 17:02:47 |
| tv489111_ex31-1.htm | 7486 | 2018-04-13 17:02:47 |
| tv489111_ex31-2.htm | 7596 | 2018-04-13 17:02:47 |
| tv489111_ex32-1.htm | 5470 | 2018-04-13 17:02:47 |