Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001047469-12-002245-index-headers.html | 2012-03-07 21:08:34 | |
| 0001047469-12-002245-index.html | 2012-03-07 21:08:34 | |
| 0001047469-12-002245.txt | 2012-03-07 21:08:34 | |
 0001047469-12-002245-xbrl.zip | 126208 | 2012-03-07 21:08:34 |
| a2207644z10-k.htm | 1898202 | 2012-03-07 21:08:34 |
| a2207644zex-10_27.htm | 98651 | 2012-03-07 21:08:34 |
| a2207644zex-11.htm | 42942 | 2012-03-07 21:08:34 |
| a2207644zex-12.htm | 21967 | 2012-03-07 21:08:34 |
| a2207644zex-21.htm | 3901 | 2012-03-07 21:08:34 |
| a2207644zex-23.htm | 2888 | 2012-03-07 21:08:34 |
| a2207644zex-24.htm | 7720 | 2012-03-07 21:08:34 |
| a2207644zex-31_1.htm | 7753 | 2012-03-07 21:08:34 |
| a2207644zex-31_2.htm | 7769 | 2012-03-07 21:08:34 |
| a2207644zex-32.htm | 4911 | 2012-03-07 21:08:34 |
| FilingSummary.xml | 12283 | 2012-03-07 21:08:34 |
| Financial_Report.xls | 1213280 | 2012-03-07 21:08:34 |
| np-20111231.xml | 1497359 | 2012-03-07 21:08:34 |
| np-20111231.xsd | 19807 | 2012-03-07 21:08:34 |
| np-20111231_cal.xml | 62667 | 2012-03-07 21:08:34 |
| np-20111231_def.xml | 118371 | 2012-03-07 21:08:34 |
| np-20111231_lab.xml | 375195 | 2012-03-07 21:08:34 |
| np-20111231_pre.xml | 172671 | 2012-03-07 21:08:34 |
| R1.htm | 37248 | 2012-03-07 21:08:34 |
| R10.htm | 40703 | 2012-03-07 21:08:34 |
| R11.htm | 27293 | 2012-03-07 21:08:34 |
| R12.htm | 96250 | 2012-03-07 21:08:34 |
| R13.htm | 33243 | 2012-03-07 21:08:34 |
| R14.htm | 194307 | 2012-03-07 21:08:34 |
| R15.htm | 83876 | 2012-03-07 21:08:34 |
| R16.htm | 16851 | 2012-03-07 21:08:34 |
| R17.htm | 20070 | 2012-03-07 21:08:34 |
| R18.htm | 18822 | 2012-03-07 21:08:34 |
| R19.htm | 10978 | 2012-03-07 21:08:34 |
| R2.htm | 105747 | 2012-03-07 21:08:34 |
| R20.htm | 72328 | 2012-03-07 21:08:34 |
| R21.htm | 90686 | 2012-03-07 21:08:34 |
| R22.htm | 376008 | 2012-03-07 21:08:34 |
| R23.htm | 41508 | 2012-03-07 21:08:34 |
| R24.htm | 7087 | 2012-03-07 21:08:34 |
| R25.htm | 28703 | 2012-03-07 21:08:34 |
| R3.htm | 56718 | 2012-03-07 21:08:34 |
| R4.htm | 135540 | 2012-03-07 21:08:34 |
| R5.htm | 19233 | 2012-03-07 21:08:34 |
| R6.htm | 63763 | 2012-03-07 21:08:34 |
| R7.htm | 154159 | 2012-03-07 21:08:34 |
| R8.htm | 15042 | 2012-03-07 21:08:34 |
| R9.htm | 88755 | 2012-03-07 21:08:34 |
| report.css | 2721 | 2012-03-07 21:08:34 |
| Show.js | 6423 | 2012-03-07 21:08:34 |