Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000796534-13-000003-index-headers.html | 2013-03-08 09:11:43 | |
| 0000796534-13-000003-index.html | 2013-03-08 09:11:43 | |
| 0000796534-13-000003.txt | 2013-03-08 09:11:43 | |
 0000796534-13-000003-xbrl.zip | 361059 | 2013-03-08 09:11:43 |
| ex23.htm | 2756 | 2013-03-08 09:11:43 |
| ex31i.htm | 13888 | 2013-03-08 09:11:43 |
| ex31ii.htm | 13519 | 2013-03-08 09:11:43 |
| ex32i.htm | 5122 | 2013-03-08 09:11:43 |
| ex32ii.htm | 5037 | 2013-03-08 09:11:43 |
| FilingSummary.xml | 36102 | 2013-03-08 09:11:43 |
| Financial_Report.xls | 4163119 | 2013-03-08 09:11:43 |
| form10k.htm | 4163830 | 2013-03-08 09:11:43 |
| nksh-20121231.xml | 5195401 | 2013-03-08 09:11:43 |
| nksh-20121231.xsd | 80805 | 2013-03-08 09:11:43 |
| nksh-20121231_cal.xml | 137228 | 2013-03-08 09:11:43 |
| nksh-20121231_def.xml | 460455 | 2013-03-08 09:11:43 |
| nksh-20121231_lab.xml | 1226861 | 2013-03-08 09:11:43 |
| nksh-20121231_pre.xml | 744176 | 2013-03-08 09:11:43 |
| R1.htm | 37261 | 2013-03-08 09:11:43 |
| R10.htm | 183195 | 2013-03-08 09:11:43 |
| R11.htm | 53303 | 2013-03-08 09:11:43 |
| R12.htm | 7638 | 2013-03-08 09:11:43 |
| R13.htm | 156793 | 2013-03-08 09:11:43 |
| R14.htm | 8791 | 2013-03-08 09:11:43 |
| R15.htm | 878456 | 2013-03-08 09:11:43 |
| R16.htm | 18119 | 2013-03-08 09:11:43 |
| R17.htm | 14454 | 2013-03-08 09:11:43 |
| R18.htm | 196240 | 2013-03-08 09:11:43 |
| R19.htm | 26685 | 2013-03-08 09:11:43 |
| R2.htm | 167571 | 2013-03-08 09:11:43 |
| R20.htm | 52339 | 2013-03-08 09:11:43 |
| R21.htm | 7332 | 2013-03-08 09:11:43 |
| R22.htm | 73305 | 2013-03-08 09:11:43 |
| R23.htm | 101311 | 2013-03-08 09:11:43 |
| R24.htm | 19047 | 2013-03-08 09:11:43 |
| R25.htm | 11270 | 2013-03-08 09:11:43 |
| R26.htm | 172261 | 2013-03-08 09:11:43 |
| R27.htm | 48416 | 2013-03-08 09:11:43 |
| R28.htm | 30739 | 2013-03-08 09:11:43 |
| R29.htm | 130119 | 2013-03-08 09:11:43 |
| R3.htm | 34998 | 2013-03-08 09:11:43 |
| R30.htm | 12006 | 2013-03-08 09:11:43 |
| R31.htm | 164813 | 2013-03-08 09:11:43 |
| R32.htm | 875069 | 2013-03-08 09:11:43 |
| R33.htm | 16123 | 2013-03-08 09:11:43 |
| R34.htm | 11528 | 2013-03-08 09:11:43 |
| R35.htm | 189080 | 2013-03-08 09:11:43 |
| R36.htm | 22735 | 2013-03-08 09:11:43 |
| R37.htm | 53962 | 2013-03-08 09:11:43 |
| R38.htm | 68455 | 2013-03-08 09:11:43 |
| R39.htm | 102788 | 2013-03-08 09:11:43 |
| R4.htm | 126206 | 2013-03-08 09:11:43 |
| R40.htm | 15651 | 2013-03-08 09:11:43 |
| R41.htm | 157270 | 2013-03-08 09:11:43 |
| R42.htm | 44568 | 2013-03-08 09:11:43 |
| R43.htm | 27731 | 2013-03-08 09:11:43 |
| R44.htm | 70183 | 2013-03-08 09:11:43 |
| R45.htm | 6591 | 2013-03-08 09:11:43 |
| R46.htm | 89942 | 2013-03-08 09:11:43 |
| R47.htm | 66154 | 2013-03-08 09:11:43 |
| R48.htm | 36074 | 2013-03-08 09:11:43 |
| R49.htm | 15742 | 2013-03-08 09:11:43 |
| R5.htm | 5285 | 2013-03-08 09:11:43 |
| R50.htm | 245499 | 2013-03-08 09:11:43 |
| R51.htm | 188643 | 2013-03-08 09:11:43 |
| R52.htm | 123975 | 2013-03-08 09:11:43 |
| R53.htm | 80579 | 2013-03-08 09:11:43 |
| R54.htm | 97476 | 2013-03-08 09:11:43 |
| R55.htm | 25034 | 2013-03-08 09:11:43 |
| R56.htm | 23376 | 2013-03-08 09:11:43 |
| R57.htm | 32464 | 2013-03-08 09:11:43 |
| R58.htm | 318838 | 2013-03-08 09:11:43 |
| R59.htm | 54685 | 2013-03-08 09:11:43 |
| R6.htm | 41458 | 2013-03-08 09:11:43 |
| R60.htm | 88964 | 2013-03-08 09:11:43 |
| R61.htm | 11676 | 2013-03-08 09:11:43 |
| R62.htm | 85489 | 2013-03-08 09:11:43 |
| R63.htm | 46344 | 2013-03-08 09:11:43 |
| R64.htm | 52954 | 2013-03-08 09:11:43 |
| R65.htm | 93564 | 2013-03-08 09:11:43 |
| R66.htm | 21404 | 2013-03-08 09:11:43 |
| R67.htm | 17280 | 2013-03-08 09:11:43 |
| R68.htm | 46989 | 2013-03-08 09:11:43 |
| R69.htm | 30368 | 2013-03-08 09:11:43 |
| R7.htm | 26446 | 2013-03-08 09:11:43 |
| R70.htm | 49026 | 2013-03-08 09:11:43 |
| R71.htm | 53124 | 2013-03-08 09:11:43 |
| R72.htm | 39349 | 2013-03-08 09:11:43 |
| R8.htm | 31121 | 2013-03-08 09:11:43 |
| R9.htm | 9282 | 2013-03-08 09:11:43 |
| report.css | 2721 | 2013-03-08 09:11:43 |
| Show.js | 6423 | 2013-03-08 09:11:43 |
 stock_graph.jpg | 55526 | 2013-03-08 09:11:43 |
 yhblogo.jpg | 15013 | 2013-03-08 09:11:43 |
 yhbsig.jpg | 13841 | 2013-03-08 09:11:43 |