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| 0001654954-20-012303-index.html | 2020-11-13 07:44:41 | |
| 0001654954-20-012303.txt | 2020-11-13 07:44:41 | |
 0001654954-20-012303-xbrl.zip | 62822 | 2020-11-13 07:44:41 |
| FilingSummary.xml | 21785 | 2020-11-13 07:44:41 |
| Financial_Report.xlsx | 55848 | 2020-11-13 07:44:41 |
| R1.htm | 32693 | 2020-11-13 07:44:41 |
| R10.htm | 17604 | 2020-11-13 07:44:41 |
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| R9999.htm | 3448 | 2020-11-13 07:44:41 |
| report.css | 2767 | 2020-11-13 07:44:41 |
| Show.js | 1085 | 2020-11-13 07:44:41 |
| zmtp-20200930.xml | 354239 | 2020-11-13 07:44:41 |
| zmtp-20200930.xsd | 22548 | 2020-11-13 07:44:41 |
| zmtp-20200930_cal.xml | 45652 | 2020-11-13 07:44:41 |
| zmtp-20200930_def.xml | 40743 | 2020-11-13 07:44:41 |
| zmtp-20200930_lab.xml | 149285 | 2020-11-13 07:44:41 |
| zmtp-20200930_pre.xml | 121714 | 2020-11-13 07:44:41 |
| zmtp_10q.htm | 729734 | 2020-11-13 07:44:41 |
| zmtp_ex311.htm | 13636 | 2020-11-13 07:44:41 |
| zmtp_ex312.htm | 13608 | 2020-11-13 07:44:41 |
| zmtp_ex321.htm | 8232 | 2020-11-13 07:44:41 |
| zmtp_ex322.htm | 8262 | 2020-11-13 07:44:41 |