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| 0001654954-20-005477.txt | 2020-05-14 16:10:22 | |
 0001654954-20-005477-xbrl.zip | 45418 | 2020-05-14 16:10:22 |
| FilingSummary.xml | 17234 | 2020-05-14 16:10:22 |
| Financial_Report.xlsx | 33750 | 2020-05-14 16:10:22 |
| isig-20200331.xml | 196694 | 2020-05-14 16:10:22 |
| isig-20200331.xsd | 17203 | 2020-05-14 16:10:22 |
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| isig_q1202010-q.htm | 544859 | 2020-05-14 16:10:22 |
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