Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000110019-16-000022-index-headers.html | 2016-08-02 08:56:12 | |
| 0000110019-16-000022-index.html | 2016-08-02 08:56:12 | |
| 0000110019-16-000022.txt | 2016-08-02 08:56:12 | |
 0000110019-16-000022-xbrl.zip | 59733 | 2016-08-02 08:56:12 |
| FilingSummary.xml | 9536 | 2016-08-02 08:56:12 |
| Financial_Report.xlsx | 24695 | 2016-08-02 08:56:12 |
| nwp-20160630.xml | 91482 | 2016-08-02 08:56:12 |
| nwp-20160630.xsd | 15319 | 2016-08-02 08:56:12 |
| nwp-20160630_cal.xml | 51502 | 2016-08-02 08:56:12 |
| nwp-20160630_def.xml | 52584 | 2016-08-02 08:56:12 |
| nwp-20160630_lab.xml | 239614 | 2016-08-02 08:56:12 |
| nwp-20160630_pre.xml | 126648 | 2016-08-02 08:56:12 |
| nwp_20160630x10q.htm | 370974 | 2016-08-02 08:56:12 |
| nwp_20160630xex-311.htm | 12720 | 2016-08-02 08:56:12 |
| nwp_20160630xex-312.htm | 13066 | 2016-08-02 08:56:12 |
| nwp_20160630xex-32.htm | 7793 | 2016-08-02 08:56:12 |
| R1.htm | 20505 | 2016-08-02 08:56:12 |
| R10.htm | 8466 | 2016-08-02 08:56:12 |
| R11.htm | 7399 | 2016-08-02 08:56:12 |
| R12.htm | 21528 | 2016-08-02 08:56:12 |
| R13.htm | 12558 | 2016-08-02 08:56:12 |
| R14.htm | 9575 | 2016-08-02 08:56:12 |
| R15.htm | 23531 | 2016-08-02 08:56:12 |
| R2.htm | 40858 | 2016-08-02 08:56:12 |
| R3.htm | 99746 | 2016-08-02 08:56:12 |
| R4.htm | 79798 | 2016-08-02 08:56:12 |
| R5.htm | 13428 | 2016-08-02 08:56:12 |
| R6.htm | 14213 | 2016-08-02 08:56:12 |
| R7.htm | 8295 | 2016-08-02 08:56:12 |
| R8.htm | 9643 | 2016-08-02 08:56:12 |
| R9.htm | 13246 | 2016-08-02 08:56:12 |
| report.css | 2767 | 2016-08-02 08:56:12 |
| Show.js | 1410 | 2016-08-02 08:56:12 |