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|---|---|---|
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| 0001654954-18-008957-index.html | 2018-08-13 16:36:56 | |
| 0001654954-18-008957.txt | 2018-08-13 16:36:56 | |
 0001654954-18-008957-xbrl.zip | 44083 | 2018-08-13 16:36:56 |
| FilingSummary.xml | 13787 | 2018-08-13 16:36:56 |
| Financial_Report.xlsx | 30001 | 2018-08-13 16:36:56 |
| R1.htm | 25817 | 2018-08-13 16:36:56 |
| R10.htm | 7262 | 2018-08-13 16:36:56 |
| R11.htm | 8793 | 2018-08-13 16:36:56 |
| R12.htm | 5924 | 2018-08-13 16:36:56 |
| R13.htm | 45745 | 2018-08-13 16:36:56 |
| R14.htm | 30657 | 2018-08-13 16:36:56 |
| R15.htm | 8793 | 2018-08-13 16:36:56 |
| R16.htm | 5385 | 2018-08-13 16:36:56 |
| R17.htm | 29259 | 2018-08-13 16:36:56 |
| R18.htm | 12892 | 2018-08-13 16:36:56 |
| R19.htm | 10734 | 2018-08-13 16:36:56 |
| R2.htm | 52916 | 2018-08-13 16:36:56 |
| R20.htm | 7910 | 2018-08-13 16:36:56 |
| R21.htm | 6470 | 2018-08-13 16:36:56 |
| R22.htm | 9092 | 2018-08-13 16:36:56 |
| R3.htm | 10644 | 2018-08-13 16:36:56 |
| R4.htm | 57148 | 2018-08-13 16:36:56 |
| R5.htm | 57753 | 2018-08-13 16:36:56 |
| R6.htm | 48119 | 2018-08-13 16:36:56 |
| R7.htm | 6465 | 2018-08-13 16:36:56 |
| R8.htm | 8463 | 2018-08-13 16:36:56 |
| R9.htm | 13562 | 2018-08-13 16:36:56 |
| report.css | 2767 | 2018-08-13 16:36:56 |
| Show.js | 1410 | 2018-08-13 16:36:56 |
| zmtp-20180630.xml | 229410 | 2018-08-13 16:36:56 |
| zmtp-20180630.xsd | 19036 | 2018-08-13 16:36:56 |
| zmtp-20180630_cal.xml | 27557 | 2018-08-13 16:36:56 |
| zmtp-20180630_def.xml | 18060 | 2018-08-13 16:36:56 |
| zmtp-20180630_lab.xml | 105592 | 2018-08-13 16:36:56 |
| zmtp-20180630_pre.xml | 77590 | 2018-08-13 16:36:56 |
| zmtp_10q.htm | 473508 | 2018-08-13 16:36:56 |
| zmtp_ex311.htm | 12635 | 2018-08-13 16:36:56 |
| zmtp_ex321.htm | 7404 | 2018-08-13 16:36:56 |