Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001654954-17-007294-index-headers.html | 2017-08-11 11:24:41 | |
| 0001654954-17-007294-index.html | 2017-08-11 11:24:41 | |
| 0001654954-17-007294.txt | 2017-08-11 11:24:41 | |
 0001654954-17-007294-xbrl.zip | 34676 | 2017-08-11 11:24:41 |
| FilingSummary.xml | 10444 | 2017-08-11 11:24:41 |
| Financial_Report.xlsx | 25809 | 2017-08-11 11:24:41 |
| R1.htm | 25621 | 2017-08-11 11:24:41 |
| R10.htm | 7212 | 2017-08-11 11:24:41 |
| R11.htm | 8543 | 2017-08-11 11:24:41 |
| R12.htm | 15895 | 2017-08-11 11:24:41 |
| R13.htm | 8579 | 2017-08-11 11:24:41 |
| R14.htm | 10753 | 2017-08-11 11:24:41 |
| R15.htm | 7568 | 2017-08-11 11:24:41 |
| R16.htm | 7862 | 2017-08-11 11:24:41 |
| R17.htm | 10109 | 2017-08-11 11:24:41 |
| R2.htm | 50086 | 2017-08-11 11:24:41 |
| R3.htm | 14301 | 2017-08-11 11:24:41 |
| R4.htm | 46410 | 2017-08-11 11:24:41 |
| R5.htm | 58249 | 2017-08-11 11:24:41 |
| R6.htm | 16952 | 2017-08-11 11:24:41 |
| R7.htm | 7402 | 2017-08-11 11:24:41 |
| R8.htm | 8417 | 2017-08-11 11:24:41 |
| R9.htm | 12357 | 2017-08-11 11:24:41 |
| report.css | 2767 | 2017-08-11 11:24:41 |
| Show.js | 1410 | 2017-08-11 11:24:41 |
| zmtp-20170630.xml | 93174 | 2017-08-11 11:24:41 |
| zmtp-20170630.xsd | 13891 | 2017-08-11 11:24:41 |
| zmtp-20170630_cal.xml | 27144 | 2017-08-11 11:24:41 |
| zmtp-20170630_def.xml | 11465 | 2017-08-11 11:24:41 |
| zmtp-20170630_lab.xml | 95985 | 2017-08-11 11:24:41 |
| zmtp-20170630_pre.xml | 68996 | 2017-08-11 11:24:41 |
| zmtp_10q.htm | 377112 | 2017-08-11 11:24:41 |
| zmtp_ex311.htm | 12714 | 2017-08-11 11:24:41 |
| zmtp_ex321.htm | 7617 | 2017-08-11 11:24:41 |