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| 0001654954-20-008765-index.html | 2020-08-11 08:32:39 | |
| 0001654954-20-008765.txt | 2020-08-11 08:32:39 | |
 0001654954-20-008765-xbrl.zip | 56011 | 2020-08-11 08:32:39 |
| FilingSummary.xml | 12451 | 2020-08-11 08:32:39 |
| Financial_Report.xlsx | 39361 | 2020-08-11 08:32:39 |
| R1.htm | 32621 | 2020-08-11 08:32:39 |
| R10.htm | 10967 | 2020-08-11 08:32:39 |
| R11.htm | 73201 | 2020-08-11 08:32:39 |
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| R14.htm | 10168 | 2020-08-11 08:32:39 |
| R15.htm | 43589 | 2020-08-11 08:32:39 |
| R16.htm | 7044 | 2020-08-11 08:32:39 |
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| R18.htm | 7494 | 2020-08-11 08:32:39 |
| R19.htm | 20763 | 2020-08-11 08:32:39 |
| R2.htm | 100396 | 2020-08-11 08:32:39 |
| R20.htm | 6910 | 2020-08-11 08:32:39 |
| R3.htm | 25341 | 2020-08-11 08:32:39 |
| R4.htm | 72039 | 2020-08-11 08:32:39 |
| R5.htm | 25097 | 2020-08-11 08:32:39 |
| R6.htm | 89290 | 2020-08-11 08:32:39 |
| R7.htm | 59079 | 2020-08-11 08:32:39 |
| R8.htm | 25315 | 2020-08-11 08:32:39 |
| R9.htm | 9536 | 2020-08-11 08:32:39 |
| report.css | 2767 | 2020-08-11 08:32:39 |
| Show.js | 1085 | 2020-08-11 08:32:39 |
| smid-20200630.xml | 392651 | 2020-08-11 08:32:39 |
| smid-20200630.xsd | 15532 | 2020-08-11 08:32:39 |
| smid-20200630x10xq.htm | 732804 | 2020-08-11 08:32:39 |
| smid-20200630xex311.htm | 20388 | 2020-08-11 08:32:39 |
| smid-20200630xex312.htm | 20477 | 2020-08-11 08:32:39 |
| smid-20200630xex321.htm | 11606 | 2020-08-11 08:32:39 |
| smid-20200630_cal.xml | 44151 | 2020-08-11 08:32:39 |
| smid-20200630_def.xml | 48811 | 2020-08-11 08:32:39 |
| smid-20200630_lab.xml | 157897 | 2020-08-11 08:32:39 |
| smid-20200630_pre.xml | 118029 | 2020-08-11 08:32:39 |