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| 0000727634-16-000045-index.html | 2016-05-16 17:24:43 | |
| 0000727634-16-000045.txt | 2016-05-16 17:24:43 | |
 0000727634-16-000045-xbrl.zip | 119246 | 2016-05-16 17:24:43 |
| ceo_302cert.htm | 8563 | 2016-05-16 17:24:43 |
| ceo_906cert.htm | 3581 | 2016-05-16 17:24:43 |
| cfo_302cert.htm | 8333 | 2016-05-16 17:24:43 |
| cfo_906cert.htm | 3575 | 2016-05-16 17:24:43 |
| FilingSummary.xml | 22809 | 2016-05-16 17:24:43 |
| Financial_Report.xlsx | 44078 | 2016-05-16 17:24:43 |
| fm_10q3312016.htm | 568025 | 2016-05-16 17:24:43 |
| isgn-20160331.xml | 211513 | 2016-05-16 17:24:43 |
| isgn-20160331.xsd | 75064 | 2016-05-16 17:24:43 |
| isgn-20160331_cal.xml | 38930 | 2016-05-16 17:24:43 |
| isgn-20160331_def.xml | 150938 | 2016-05-16 17:24:43 |
| isgn-20160331_lab.xml | 1151566 | 2016-05-16 17:24:43 |
| isgn-20160331_pre.xml | 309061 | 2016-05-16 17:24:43 |
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| report.css | 2767 | 2016-05-16 17:24:43 |
| Show.js | 1410 | 2016-05-16 17:24:43 |