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|---|---|---|
 0001654954-18-005388-index-headers.html | 2018-05-15 15:07:22 | |
| 0001654954-18-005388-index.html | 2018-05-15 15:07:22 | |
| 0001654954-18-005388.txt | 2018-05-15 15:07:22 | |
 0001654954-18-005388-xbrl.zip | 43904 | 2018-05-15 15:07:22 |
| FilingSummary.xml | 13752 | 2018-05-15 15:07:22 |
| Financial_Report.xlsx | 28888 | 2018-05-15 15:07:22 |
| R1.htm | 25620 | 2018-05-15 15:07:22 |
| R10.htm | 6908 | 2018-05-15 15:07:22 |
| R11.htm | 9950 | 2018-05-15 15:07:22 |
| R12.htm | 5682 | 2018-05-15 15:07:22 |
| R13.htm | 65014 | 2018-05-15 15:07:22 |
| R14.htm | 39177 | 2018-05-15 15:07:22 |
| R15.htm | 8805 | 2018-05-15 15:07:22 |
| R16.htm | 4882 | 2018-05-15 15:07:22 |
| R17.htm | 28207 | 2018-05-15 15:07:22 |
| R18.htm | 10832 | 2018-05-15 15:07:22 |
| R19.htm | 10755 | 2018-05-15 15:07:22 |
| R2.htm | 52784 | 2018-05-15 15:07:22 |
| R20.htm | 7847 | 2018-05-15 15:07:22 |
| R21.htm | 6479 | 2018-05-15 15:07:22 |
| R22.htm | 6827 | 2018-05-15 15:07:22 |
| R3.htm | 10657 | 2018-05-15 15:07:22 |
| R4.htm | 49946 | 2018-05-15 15:07:22 |
| R5.htm | 57994 | 2018-05-15 15:07:22 |
| R6.htm | 67919 | 2018-05-15 15:07:22 |
| R7.htm | 7187 | 2018-05-15 15:07:22 |
| R8.htm | 8635 | 2018-05-15 15:07:22 |
| R9.htm | 11703 | 2018-05-15 15:07:22 |
| report.css | 2767 | 2018-05-15 15:07:22 |
| Show.js | 1410 | 2018-05-15 15:07:22 |
| zmtp-20180331.xml | 258552 | 2018-05-15 15:07:22 |
| zmtp-20180331.xsd | 18795 | 2018-05-15 15:07:22 |
| zmtp-20180331_cal.xml | 27636 | 2018-05-15 15:07:22 |
| zmtp-20180331_def.xml | 18265 | 2018-05-15 15:07:22 |
| zmtp-20180331_lab.xml | 106349 | 2018-05-15 15:07:22 |
| zmtp-20180331_pre.xml | 78298 | 2018-05-15 15:07:22 |
| zmtp_10q.htm | 408343 | 2018-05-15 15:07:22 |
| zmtp_ex31.htm | 12931 | 2018-05-15 15:07:22 |
| zmtp_ex32.htm | 7787 | 2018-05-15 15:07:22 |