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| 0001654954-20-005424-index.html | 2020-05-14 09:15:44 | |
| 0001654954-20-005424.txt | 2020-05-14 09:15:44 | |
 0001654954-20-005424-xbrl.zip | 52815 | 2020-05-14 09:15:44 |
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| R10.htm | 8435 | 2020-05-14 09:15:44 |
| R11.htm | 5935 | 2020-05-14 09:15:44 |
| R12.htm | 79389 | 2020-05-14 09:15:44 |
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| R14.htm | 13747 | 2020-05-14 09:15:44 |
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| R16.htm | 38746 | 2020-05-14 09:15:44 |
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| R2.htm | 104863 | 2020-05-14 09:15:44 |
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| R6.htm | 87362 | 2020-05-14 09:15:44 |
| R7.htm | 38670 | 2020-05-14 09:15:44 |
| R8.htm | 15057 | 2020-05-14 09:15:44 |
| R9.htm | 9044 | 2020-05-14 09:15:44 |
| report.css | 2767 | 2020-05-14 09:15:44 |
| Show.js | 1085 | 2020-05-14 09:15:44 |
| smid-20200331.xml | 277919 | 2020-05-14 09:15:44 |
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| smid-20200331xex321.htm | 11604 | 2020-05-14 09:15:44 |
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| smid-20200331_pre.xml | 120007 | 2020-05-14 09:15:44 |