Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000110019-16-000025-index-headers.html | 2016-10-31 16:44:51 | |
| 0000110019-16-000025-index.html | 2016-10-31 16:44:51 | |
| 0000110019-16-000025.txt | 2016-10-31 16:44:51 | |
 0000110019-16-000025-xbrl.zip | 60515 | 2016-10-31 16:44:51 |
| FilingSummary.xml | 10532 | 2016-10-31 16:44:51 |
| Financial_Report.xlsx | 26182 | 2016-10-31 16:44:51 |
| nwp-20160930.xml | 94208 | 2016-10-31 16:44:51 |
| nwp-20160930.xsd | 15319 | 2016-10-31 16:44:51 |
| nwp-20160930_cal.xml | 51518 | 2016-10-31 16:44:51 |
| nwp-20160930_def.xml | 52584 | 2016-10-31 16:44:51 |
| nwp-20160930_lab.xml | 243229 | 2016-10-31 16:44:51 |
| nwp-20160930_pre.xml | 128688 | 2016-10-31 16:44:51 |
| nwp_20160930x10q.htm | 372451 | 2016-10-31 16:44:51 |
| nwp_20160930xex-311.htm | 12722 | 2016-10-31 16:44:51 |
| nwp_20160930xex-312.htm | 13068 | 2016-10-31 16:44:51 |
| nwp_20160930xex-32.htm | 7802 | 2016-10-31 16:44:51 |
| R1.htm | 20505 | 2016-10-31 16:44:51 |
| R10.htm | 6066 | 2016-10-31 16:44:51 |
| R11.htm | 8466 | 2016-10-31 16:44:51 |
| R12.htm | 7211 | 2016-10-31 16:44:51 |
| R13.htm | 21785 | 2016-10-31 16:44:51 |
| R14.htm | 12524 | 2016-10-31 16:44:51 |
| R15.htm | 9575 | 2016-10-31 16:44:51 |
| R16.htm | 23350 | 2016-10-31 16:44:51 |
| R17.htm | 4351 | 2016-10-31 16:44:51 |
| R2.htm | 40568 | 2016-10-31 16:44:51 |
| R3.htm | 100328 | 2016-10-31 16:44:51 |
| R4.htm | 79385 | 2016-10-31 16:44:51 |
| R5.htm | 14239 | 2016-10-31 16:44:51 |
| R6.htm | 14223 | 2016-10-31 16:44:51 |
| R7.htm | 8308 | 2016-10-31 16:44:51 |
| R8.htm | 9648 | 2016-10-31 16:44:51 |
| R9.htm | 13160 | 2016-10-31 16:44:51 |
| report.css | 2767 | 2016-10-31 16:44:51 |
| Show.js | 1410 | 2016-10-31 16:44:51 |