Parent Directory| Name | Size | Last Modified |
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| 0001654954-20-004635-index.html | 2020-04-29 16:19:58 | |
| 0001654954-20-004635.txt | 2020-04-29 16:19:58 | |
| zmtp_10ka.htm | 368578 | 2020-04-29 16:19:58 |
| zmtp_ex1019.htm | 239292 | 2020-04-29 16:19:58 |
| zmtp_ex1020.htm | 34984 | 2020-04-29 16:19:58 |
| zmtp_ex313.htm | 13181 | 2020-04-29 16:19:58 |
| zmtp_ex314.htm | 12678 | 2020-04-29 16:19:58 |
| zmtp_ex323.htm | 7618 | 2020-04-29 16:19:58 |
| zmtp_ex324.htm | 7452 | 2020-04-29 16:19:58 |