Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001654954-18-012512-index-headers.html | 2018-11-13 16:00:13 | |
| 0001654954-18-012512-index.html | 2018-11-13 16:00:13 | |
| 0001654954-18-012512.txt | 2018-11-13 16:00:13 | |
 0001654954-18-012512-xbrl.zip | 44872 | 2018-11-13 16:00:13 |
| FilingSummary.xml | 13787 | 2018-11-13 16:00:13 |
| Financial_Report.xlsx | 29992 | 2018-11-13 16:00:13 |
| R1.htm | 25911 | 2018-11-13 16:00:13 |
| R10.htm | 7205 | 2018-11-13 16:00:13 |
| R11.htm | 8851 | 2018-11-13 16:00:13 |
| R12.htm | 6183 | 2018-11-13 16:00:13 |
| R13.htm | 46214 | 2018-11-13 16:00:13 |
| R14.htm | 29729 | 2018-11-13 16:00:13 |
| R15.htm | 8806 | 2018-11-13 16:00:13 |
| R16.htm | 5118 | 2018-11-13 16:00:13 |
| R17.htm | 29298 | 2018-11-13 16:00:13 |
| R18.htm | 12894 | 2018-11-13 16:00:13 |
| R19.htm | 10752 | 2018-11-13 16:00:13 |
| R2.htm | 52923 | 2018-11-13 16:00:13 |
| R20.htm | 7542 | 2018-11-13 16:00:13 |
| R21.htm | 6470 | 2018-11-13 16:00:13 |
| R22.htm | 9076 | 2018-11-13 16:00:13 |
| R3.htm | 10644 | 2018-11-13 16:00:13 |
| R4.htm | 57161 | 2018-11-13 16:00:13 |
| R5.htm | 57772 | 2018-11-13 16:00:13 |
| R6.htm | 49628 | 2018-11-13 16:00:13 |
| R7.htm | 6394 | 2018-11-13 16:00:13 |
| R8.htm | 8657 | 2018-11-13 16:00:13 |
| R9.htm | 13012 | 2018-11-13 16:00:13 |
| report.css | 2767 | 2018-11-13 16:00:13 |
| Show.js | 1085 | 2018-11-13 16:00:13 |
| zmtp-20180930.xml | 230084 | 2018-11-13 16:00:13 |
| zmtp-20180930.xsd | 19036 | 2018-11-13 16:00:13 |
| zmtp-20180930_cal.xml | 27557 | 2018-11-13 16:00:13 |
| zmtp-20180930_def.xml | 18048 | 2018-11-13 16:00:13 |
| zmtp-20180930_lab.xml | 105013 | 2018-11-13 16:00:13 |
| zmtp-20180930_pre.xml | 77626 | 2018-11-13 16:00:13 |
| zmtp_10q.htm | 480932 | 2018-11-13 16:00:13 |
| zmtp_ex311.htm | 12650 | 2018-11-13 16:00:13 |
| zmtp_ex321.htm | 7306 | 2018-11-13 16:00:13 |