Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000773485-11-000016-index-headers.html | 2011-12-09 12:39:54 | |
| 0000773485-11-000016-index.html | 2011-12-09 12:39:54 | |
| 0000773485-11-000016.txt | 2011-12-09 12:39:54 | |
 0000773485-11-000016-xbrl.zip | 33818 | 2011-12-09 12:39:54 |
 BarChart1.jpg | 25133 | 2011-12-09 12:39:54 |
 BarChart2.jpg | 16021 | 2011-12-09 12:39:54 |
| cik0000773485-20110429.xml | 132121 | 2011-12-09 12:39:54 |
| cik0000773485-20110429.xsd | 12185 | 2011-12-09 12:39:54 |
| cik0000773485-20110429_cal.xml | 2683 | 2011-12-09 12:39:54 |
| cik0000773485-20110429_def.xml | 176107 | 2011-12-09 12:39:54 |
| cik0000773485-20110429_lab.xml | 59528 | 2011-12-09 12:39:54 |
| cik0000773485-20110429_pre.xml | 208375 | 2011-12-09 12:39:54 |
| FilingSummary.xml | 4454 | 2011-12-09 12:39:54 |
| Financial_Report.xls | 250775 | 2011-12-09 12:39:54 |
| nagxbrlpartc.htm | 109095 | 2011-12-09 12:39:54 |
| R1.htm | 21445 | 2011-12-09 12:39:54 |
| R14.htm | 190350 | 2011-12-09 12:39:54 |
| R15.htm | 4813 | 2011-12-09 12:39:54 |
| R2.htm | 115963 | 2011-12-09 12:39:54 |
| R8.htm | 214781 | 2011-12-09 12:39:54 |
| R9.htm | 105630 | 2011-12-09 12:39:54 |
| report.css | 2720 | 2011-12-09 12:39:54 |
| Show.js | 6423 | 2011-12-09 12:39:54 |