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| 0000950123-21-010434.txt | 2021-08-12 08:23:50 | |
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| d171571d8k.htm | 54617 | 2021-08-12 08:23:50 |
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| Financial_Report.xlsx | 5666 | 2021-08-12 08:23:50 |
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 g171571g0811191108381.jpg | 4659 | 2021-08-12 08:23:50 |
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| iec-20210811_lab.xml | 17373 | 2021-08-12 08:23:50 |
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| R1.htm | 38608 | 2021-08-12 08:23:50 |
| report.css | 2767 | 2021-08-12 08:23:50 |
| Show.js | 1085 | 2021-08-12 08:23:50 |