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| 0001654954-19-005835-index.html | 2019-05-14 08:02:18 | |
| 0001654954-19-005835.txt | 2019-05-14 08:02:18 | |
 0001654954-19-005835-xbrl.zip | 53325 | 2019-05-14 08:02:18 |
| FilingSummary.xml | 13622 | 2019-05-14 08:02:18 |
| Financial_Report.xlsx | 31649 | 2019-05-14 08:02:18 |
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| R10.htm | 15711 | 2019-05-14 08:02:18 |
| R11.htm | 8185 | 2019-05-14 08:02:18 |
| R12.htm | 10974 | 2019-05-14 08:02:18 |
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| R14.htm | 24460 | 2019-05-14 08:02:18 |
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| R16.htm | 10073 | 2019-05-14 08:02:18 |
| R17.htm | 36096 | 2019-05-14 08:02:18 |
| R18.htm | 7037 | 2019-05-14 08:02:18 |
| R19.htm | 24563 | 2019-05-14 08:02:18 |
| R2.htm | 96796 | 2019-05-14 08:02:18 |
| R20.htm | 8736 | 2019-05-14 08:02:18 |
| R21.htm | 20771 | 2019-05-14 08:02:18 |
| R22.htm | 6481 | 2019-05-14 08:02:18 |
| R3.htm | 28063 | 2019-05-14 08:02:18 |
| R4.htm | 53437 | 2019-05-14 08:02:18 |
| R5.htm | 13556 | 2019-05-14 08:02:18 |
| R6.htm | 4998 | 2019-05-14 08:02:18 |
| R7.htm | 18286 | 2019-05-14 08:02:18 |
| R8.htm | 77256 | 2019-05-14 08:02:18 |
| R9.htm | 45514 | 2019-05-14 08:02:18 |
| report.css | 2767 | 2019-05-14 08:02:18 |
| Show.js | 1085 | 2019-05-14 08:02:18 |
| smid-20190331.xml | 264955 | 2019-05-14 08:02:18 |
| smid-20190331.xsd | 16020 | 2019-05-14 08:02:18 |
| smid-20190331x10xq.htm | 576386 | 2019-05-14 08:02:18 |
| smid-20190331xex311.htm | 19126 | 2019-05-14 08:02:18 |
| smid-20190331xex312.htm | 19109 | 2019-05-14 08:02:18 |
| smid-20190331xex321.htm | 11434 | 2019-05-14 08:02:18 |
| smid-20190331_cal.xml | 47546 | 2019-05-14 08:02:18 |
| smid-20190331_def.xml | 50939 | 2019-05-14 08:02:18 |
| smid-20190331_lab.xml | 161526 | 2019-05-14 08:02:18 |
| smid-20190331_pre.xml | 121913 | 2019-05-14 08:02:18 |