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|---|---|---|
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| 0000897101-14-001618-index.html | 2014-11-07 16:05:56 | |
| 0000897101-14-001618.txt | 2014-11-07 16:05:56 | |
 0000897101-14-001618-xbrl.zip | 52667 | 2014-11-07 16:05:56 |
| FilingSummary.xml | 12861 | 2014-11-07 16:05:56 |
| Financial_Report.xls | 687008 | 2014-11-07 16:05:56 |
| Financial_Report.xlsx | 55730 | 2014-11-07 16:05:56 |
| npk-20140928.xml | 744305 | 2014-11-07 16:05:56 |
| npk-20140928.xsd | 16228 | 2014-11-07 16:05:56 |
| npk-20140928_cal.xml | 42102 | 2014-11-07 16:05:56 |
| npk-20140928_def.xml | 39590 | 2014-11-07 16:05:56 |
| npk-20140928_lab.xml | 144395 | 2014-11-07 16:05:56 |
| npk-20140928_pre.xml | 119263 | 2014-11-07 16:05:56 |
| presto143984_10q.htm | 295375 | 2014-11-07 16:05:56 |
| presto143984_ex31-1.htm | 8443 | 2014-11-07 16:05:56 |
| presto143984_ex31-2.htm | 8431 | 2014-11-07 16:05:56 |
| presto143984_ex32-1.htm | 2094 | 2014-11-07 16:05:56 |
| presto143984_ex32-2.htm | 2092 | 2014-11-07 16:05:56 |
| R1.htm | 29296 | 2014-11-07 16:05:56 |
| R10.htm | 10358 | 2014-11-07 16:05:56 |
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| R9.htm | 186910 | 2014-11-07 16:05:56 |
| report.css | 2740 | 2014-11-07 16:05:56 |
| Show.js | 1410 | 2014-11-07 16:05:56 |