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| 0000897101-11-001957-index.html | 2011-11-14 16:06:12 | |
| 0000897101-11-001957.txt | 2011-11-14 16:06:12 | |
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| FilingSummary.xml | 7948 | 2011-11-14 16:06:12 |
| Financial_Report.xls | 245856 | 2011-11-14 16:06:12 |
| npk-20111002.xml | 248897 | 2011-11-14 16:06:12 |
| npk-20111002.xsd | 9366 | 2011-11-14 16:06:12 |
| npk-20111002_cal.xml | 28649 | 2011-11-14 16:06:12 |
| npk-20111002_lab.xml | 90932 | 2011-11-14 16:06:12 |
| npk-20111002_pre.xml | 60606 | 2011-11-14 16:06:12 |
| presto115346_10q.htm | 240091 | 2011-11-14 16:06:12 |
| presto115346_ex11.htm | 18256 | 2011-11-14 16:06:12 |
| presto115346_ex31-1.htm | 8470 | 2011-11-14 16:06:12 |
| presto115346_ex31-2.htm | 8477 | 2011-11-14 16:06:12 |
| presto115346_ex32-1.htm | 2219 | 2011-11-14 16:06:12 |
| presto115346_ex32-2.htm | 2219 | 2011-11-14 16:06:12 |
| R1.htm | 18186 | 2011-11-14 16:06:12 |
| R10.htm | 51993 | 2011-11-14 16:06:12 |
| R11.htm | 6899 | 2011-11-14 16:06:12 |
| R12.htm | 9763 | 2011-11-14 16:06:12 |
| R13.htm | 18504 | 2011-11-14 16:06:12 |
| R14.htm | 6377 | 2011-11-14 16:06:12 |
| R2.htm | 113800 | 2011-11-14 16:06:12 |
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| R4.htm | 53985 | 2011-11-14 16:06:12 |
| R5.htm | 78470 | 2011-11-14 16:06:12 |
| R6.htm | 6343 | 2011-11-14 16:06:12 |
| R7.htm | 5352 | 2011-11-14 16:06:12 |
| R8.htm | 150350 | 2011-11-14 16:06:12 |
| R9.htm | 13236 | 2011-11-14 16:06:12 |
| report.css | 2721 | 2011-11-14 16:06:12 |
| Show.js | 6423 | 2011-11-14 16:06:12 |