Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000110019-15-000013-index-headers.html | 2015-10-29 09:28:18 | |
| 0000110019-15-000013-index.html | 2015-10-29 09:28:18 | |
| 0000110019-15-000013.txt | 2015-10-29 09:28:18 | |
 0000110019-15-000013-xbrl.zip | 58810 | 2015-10-29 09:28:18 |
| FilingSummary.xml | 9874 | 2015-10-29 09:28:18 |
| Financial_Report.xlsx | 25107 | 2015-10-29 09:28:18 |
| nwp-20150930.xml | 92709 | 2015-10-29 09:28:18 |
| nwp-20150930.xsd | 14015 | 2015-10-29 09:28:18 |
| nwp-20150930_cal.xml | 50473 | 2015-10-29 09:28:18 |
| nwp-20150930_def.xml | 48640 | 2015-10-29 09:28:18 |
| nwp-20150930_lab.xml | 233637 | 2015-10-29 09:28:18 |
| nwp-20150930_pre.xml | 123040 | 2015-10-29 09:28:18 |
| nwp_20150930x10q.htm | 362455 | 2015-10-29 09:28:18 |
| nwp_20150930xex-311.htm | 12675 | 2015-10-29 09:28:18 |
| nwp_20150930xex-312.htm | 13021 | 2015-10-29 09:28:18 |
| nwp_20150930xex-32.htm | 7755 | 2015-10-29 09:28:18 |
| R1.htm | 20657 | 2015-10-29 09:28:18 |
| R10.htm | 10599 | 2015-10-29 09:28:18 |
| R11.htm | 7955 | 2015-10-29 09:28:18 |
| R12.htm | 21676 | 2015-10-29 09:28:18 |
| R13.htm | 9046 | 2015-10-29 09:28:18 |
| R14.htm | 9549 | 2015-10-29 09:28:18 |
| R15.htm | 20489 | 2015-10-29 09:28:18 |
| R2.htm | 43342 | 2015-10-29 09:28:18 |
| R3.htm | 107258 | 2015-10-29 09:28:18 |
| R4.htm | 81941 | 2015-10-29 09:28:18 |
| R5.htm | 17067 | 2015-10-29 09:28:18 |
| R6.htm | 14888 | 2015-10-29 09:28:18 |
| R7.htm | 8018 | 2015-10-29 09:28:18 |
| R8.htm | 10361 | 2015-10-29 09:28:18 |
| R9.htm | 13434 | 2015-10-29 09:28:18 |
| report.css | 2767 | 2015-10-29 09:28:18 |
| Show.js | 1410 | 2015-10-29 09:28:18 |