Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000110019-14-000006-index-headers.html | 2014-05-01 08:26:53 | |
| 0000110019-14-000006-index.html | 2014-05-01 08:26:53 | |
| 0000110019-14-000006.txt | 2014-05-01 08:26:53 | |
 0000110019-14-000006-xbrl.zip | 52132 | 2014-05-01 08:26:53 |
| FilingSummary.xml | 8955 | 2014-05-01 08:26:53 |
| Financial_Report.xls | 73515 | 2014-05-01 08:26:53 |
| Financial_Report.xlsx | 32334 | 2014-05-01 08:26:53 |
| nwp-20140331.xml | 75317 | 2014-05-01 08:26:53 |
| nwp-20140331.xsd | 13238 | 2014-05-01 08:26:53 |
| nwp-20140331_cal.xml | 48868 | 2014-05-01 08:26:53 |
| nwp-20140331_def.xml | 41777 | 2014-05-01 08:26:53 |
| nwp-20140331_lab.xml | 221616 | 2014-05-01 08:26:53 |
| nwp-20140331_pre.xml | 119814 | 2014-05-01 08:26:53 |
| nwp_20140331x10q.htm | 320968 | 2014-05-01 08:26:53 |
| nwp_20140331xex31a.htm | 12724 | 2014-05-01 08:26:53 |
| nwp_20140331xex31b.htm | 13067 | 2014-05-01 08:26:53 |
| nwp_20140331xex32a.htm | 7795 | 2014-05-01 08:26:53 |
| R1.htm | 26687 | 2014-05-01 08:26:53 |
| R10.htm | 13982 | 2014-05-01 08:26:53 |
| R11.htm | 10651 | 2014-05-01 08:26:53 |
| R12.htm | 9176 | 2014-05-01 08:26:53 |
| R13.htm | 17619 | 2014-05-01 08:26:53 |
| R14.htm | 6971 | 2014-05-01 08:26:53 |
| R15.htm | 19802 | 2014-05-01 08:26:53 |
| R2.htm | 53226 | 2014-05-01 08:26:53 |
| R3.htm | 136178 | 2014-05-01 08:26:53 |
| R4.htm | 6655 | 2014-05-01 08:26:53 |
| R5.htm | 97345 | 2014-05-01 08:26:53 |
| R6.htm | 11222 | 2014-05-01 08:26:53 |
| R7.htm | 15141 | 2014-05-01 08:26:53 |
| R8.htm | 8156 | 2014-05-01 08:26:53 |
| R9.htm | 11069 | 2014-05-01 08:26:53 |
| report.css | 2740 | 2014-05-01 08:26:53 |
| Show.js | 1410 | 2014-05-01 08:26:53 |