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| 0000897101-21-000343-index.html | 2021-05-03 16:20:42 | |
| 0000897101-21-000343.txt | 2021-05-03 16:20:42 | |
 0000897101-21-000343-xbrl.zip | 147914 | 2021-05-03 16:20:42 |
| ex311_1.htm | 11403 | 2021-05-03 16:20:42 |
| ex312_2.htm | 11610 | 2021-05-03 16:20:42 |
| ex321_3.htm | 3895 | 2021-05-03 16:20:42 |
| ex322_4.htm | 3910 | 2021-05-03 16:20:42 |
| FilingSummary.xml | 26323 | 2021-05-03 16:20:42 |
| Financial_Report.xlsx | 58554 | 2021-05-03 16:20:42 |
| isns-20210331.htm | 848271 | 2021-05-03 16:20:42 |
| isns-20210331.xsd | 31904 | 2021-05-03 16:20:42 |
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| isns-20210331_def.xml | 147082 | 2021-05-03 16:20:42 |
| isns-20210331_htm.xml | 583054 | 2021-05-03 16:20:42 |
| isns-20210331_lab.xml | 579583 | 2021-05-03 16:20:42 |
| isns-20210331_pre.xml | 324353 | 2021-05-03 16:20:42 |
| MetaLinks.json | 461206 | 2021-05-03 16:20:42 |
| R1.htm | 58298 | 2021-05-03 16:20:42 |
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| R9.htm | 13687 | 2021-05-03 16:20:42 |
| report.css | 2767 | 2021-05-03 16:20:42 |
| Show.js | 1085 | 2021-05-03 16:20:42 |