Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001193125-12-330323-index.html | 2012-08-02 07:48:00 | |
| 0001193125-12-330323.txt | 2012-08-02 07:48:00 | |
 0001193125-12-330323-xbrl.zip | 46435 | 2012-08-02 07:48:00 |
| d389332d10q.htm | 215183 | 2012-08-02 07:48:00 |
| d389332dex31a.htm | 9659 | 2012-08-02 07:48:00 |
| d389332dex31b.htm | 9669 | 2012-08-02 07:48:00 |
| d389332dex32a.htm | 3912 | 2012-08-02 07:48:00 |
| FilingSummary.xml | 10702 | 2012-08-02 07:48:00 |
| Financial_Report.xls | 103148 | 2012-08-02 07:48:00 |
| npgp-20120630.xml | 110077 | 2012-08-02 07:48:00 |
| npgp-20120630.xsd | 17673 | 2012-08-02 07:48:00 |
| npgp-20120630_cal.xml | 51310 | 2012-08-02 07:48:00 |
| npgp-20120630_def.xml | 45051 | 2012-08-02 07:48:00 |
| npgp-20120630_lab.xml | 199496 | 2012-08-02 07:48:00 |
| npgp-20120630_pre.xml | 143280 | 2012-08-02 07:48:00 |
| R1.htm | 33086 | 2012-08-02 07:48:00 |
| R10.htm | 9718 | 2012-08-02 07:48:00 |
| R11.htm | 16336 | 2012-08-02 07:48:00 |
| R12.htm | 21767 | 2012-08-02 07:48:00 |
| R13.htm | 16028 | 2012-08-02 07:48:00 |
| R14.htm | 14566 | 2012-08-02 07:48:00 |
| R15.htm | 15541 | 2012-08-02 07:48:00 |
| R16.htm | 12726 | 2012-08-02 07:48:00 |
| R17.htm | 8071 | 2012-08-02 07:48:00 |
| R18.htm | 32813 | 2012-08-02 07:48:00 |
| R2.htm | 82067 | 2012-08-02 07:48:00 |
| R3.htm | 127984 | 2012-08-02 07:48:00 |
| R4.htm | 8627 | 2012-08-02 07:48:00 |
| R5.htm | 106144 | 2012-08-02 07:48:00 |
| R6.htm | 14235 | 2012-08-02 07:48:00 |
| R7.htm | 15874 | 2012-08-02 07:48:00 |
| R8.htm | 6900 | 2012-08-02 07:48:00 |
| R9.htm | 19828 | 2012-08-02 07:48:00 |
| report.css | 2721 | 2012-08-02 07:48:00 |
| Show.js | 6423 | 2012-08-02 07:48:00 |