Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-12-103698-index-headers.html | 2012-03-08 15:56:53 | |
| 0001193125-12-103698-index.html | 2012-03-08 15:56:53 | |
| 0001193125-12-103698.txt | 2012-03-08 15:56:53 | |
 0001193125-12-103698-xbrl.zip | 129415 | 2012-03-08 15:56:53 |
| d290300d10k.htm | 1898574 | 2012-03-08 15:56:53 |
| d290300dex10129.htm | 44847 | 2012-03-08 15:56:53 |
| d290300dex10130.htm | 53756 | 2012-03-08 15:56:53 |
| d290300dex10131.htm | 45308 | 2012-03-08 15:56:53 |
| d290300dex21.htm | 42083 | 2012-03-08 15:56:53 |
| d290300dex23.htm | 36286 | 2012-03-08 15:56:53 |
| d290300dex24.htm | 4855 | 2012-03-08 15:56:53 |
| d290300dex31.htm | 9300 | 2012-03-08 15:56:53 |
| d290300dex32.htm | 4081 | 2012-03-08 15:56:53 |
| FilingSummary.xml | 14337 | 2012-03-08 15:56:53 |
| Financial_Report.xls | 1039923 | 2012-03-08 15:56:53 |
| nrtlq-20111231.xml | 1198203 | 2012-03-08 15:56:53 |
| nrtlq-20111231.xsd | 21520 | 2012-03-08 15:56:53 |
| nrtlq-20111231_cal.xml | 52961 | 2012-03-08 15:56:53 |
| nrtlq-20111231_def.xml | 15745 | 2012-03-08 15:56:53 |
| nrtlq-20111231_lab.xml | 199697 | 2012-03-08 15:56:53 |
| nrtlq-20111231_pre.xml | 122255 | 2012-03-08 15:56:53 |
| R1.htm | 37283 | 2012-03-08 15:56:53 |
| R10.htm | 45004 | 2012-03-08 15:56:53 |
| R11.htm | 10793 | 2012-03-08 15:56:53 |
| R12.htm | 23208 | 2012-03-08 15:56:53 |
| R13.htm | 41145 | 2012-03-08 15:56:53 |
| R14.htm | 135994 | 2012-03-08 15:56:53 |
| R15.htm | 6921 | 2012-03-08 15:56:53 |
| R16.htm | 37442 | 2012-03-08 15:56:53 |
| R17.htm | 97824 | 2012-03-08 15:56:53 |
| R18.htm | 133246 | 2012-03-08 15:56:53 |
| R19.htm | 21497 | 2012-03-08 15:56:53 |
| R2.htm | 120086 | 2012-03-08 15:56:53 |
| R20.htm | 22508 | 2012-03-08 15:56:53 |
| R21.htm | 54452 | 2012-03-08 15:56:53 |
| R22.htm | 15754 | 2012-03-08 15:56:53 |
| R23.htm | 19949 | 2012-03-08 15:56:53 |
| R24.htm | 16077 | 2012-03-08 15:56:53 |
| R25.htm | 29982 | 2012-03-08 15:56:53 |
| R26.htm | 34914 | 2012-03-08 15:56:53 |
| R27.htm | 30528 | 2012-03-08 15:56:53 |
| R28.htm | 15276 | 2012-03-08 15:56:53 |
| R29.htm | 29865 | 2012-03-08 15:56:53 |
| R3.htm | 5072 | 2012-03-08 15:56:53 |
| R30.htm | 5803 | 2012-03-08 15:56:53 |
| R4.htm | 142247 | 2012-03-08 15:56:53 |
| R5.htm | 10194 | 2012-03-08 15:56:53 |
| R6.htm | 90429 | 2012-03-08 15:56:53 |
| R7.htm | 151852 | 2012-03-08 15:56:53 |
| R8.htm | 42154 | 2012-03-08 15:56:53 |
| R9.htm | 242182 | 2012-03-08 15:56:53 |
| report.css | 2721 | 2012-03-08 15:56:53 |
| Show.js | 6423 | 2012-03-08 15:56:53 |