Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000110019-15-000007-index.html | 2015-04-30 08:47:53 | |
| 0000110019-15-000007.txt | 2015-04-30 08:47:53 | |
 0000110019-15-000007-xbrl.zip | 54175 | 2015-04-30 08:47:53 |
| FilingSummary.xml | 8400 | 2015-04-30 08:47:53 |
| Financial_Report.xls | 76923 | 2015-04-30 08:47:53 |
| Financial_Report.xlsx | 32815 | 2015-04-30 08:47:53 |
| nwp-20150331.xml | 77743 | 2015-04-30 08:47:53 |
| nwp-20150331.xsd | 12858 | 2015-04-30 08:47:53 |
| nwp-20150331_cal.xml | 48584 | 2015-04-30 08:47:53 |
| nwp-20150331_def.xml | 44526 | 2015-04-30 08:47:53 |
| nwp-20150331_lab.xml | 220646 | 2015-04-30 08:47:53 |
| nwp-20150331_pre.xml | 116276 | 2015-04-30 08:47:53 |
| nwp_20150331x10q.htm | 328927 | 2015-04-30 08:47:53 |
| nwp_20150331xex31a.htm | 12688 | 2015-04-30 08:47:53 |
| nwp_20150331xex31b.htm | 13033 | 2015-04-30 08:47:53 |
| nwp_20150331xex32a.htm | 7760 | 2015-04-30 08:47:53 |
| R1.htm | 27353 | 2015-04-30 08:47:53 |
| R10.htm | 11959 | 2015-04-30 08:47:53 |
| R11.htm | 10174 | 2015-04-30 08:47:53 |
| R12.htm | 27246 | 2015-04-30 08:47:53 |
| R13.htm | 12559 | 2015-04-30 08:47:53 |
| R14.htm | 27042 | 2015-04-30 08:47:53 |
| R2.htm | 59613 | 2015-04-30 08:47:53 |
| R3.htm | 150819 | 2015-04-30 08:47:53 |
| R4.htm | 111484 | 2015-04-30 08:47:53 |
| R5.htm | 13632 | 2015-04-30 08:47:53 |
| R6.htm | 15650 | 2015-04-30 08:47:53 |
| R7.htm | 8680 | 2015-04-30 08:47:53 |
| R8.htm | 11384 | 2015-04-30 08:47:53 |
| R9.htm | 14207 | 2015-04-30 08:47:53 |
| report.css | 2740 | 2015-04-30 08:47:53 |
| Show.js | 1410 | 2015-04-30 08:47:53 |