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| 0001493152-19-007538-index.html | 2019-05-15 17:21:10 | |
| 0001493152-19-007538.txt | 2019-05-15 17:21:10 | |
 0001493152-19-007538-xbrl.zip | 53348 | 2019-05-15 17:21:10 |
| ex31.htm | 18795 | 2019-05-15 17:21:10 |
| ex32.htm | 7287 | 2019-05-15 17:21:10 |
| FilingSummary.xml | 16315 | 2019-05-15 17:21:10 |
| Financial_Report.xlsx | 32614 | 2019-05-15 17:21:10 |
| form10-q.htm | 370393 | 2019-05-15 17:21:10 |
| hpto-20190331.xml | 261837 | 2019-05-15 17:21:10 |
| hpto-20190331.xsd | 20514 | 2019-05-15 17:21:10 |
| hpto-20190331_cal.xml | 32282 | 2019-05-15 17:21:10 |
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| hpto-20190331_lab.xml | 175114 | 2019-05-15 17:21:10 |
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 image_001.jpg | 3248 | 2019-05-15 17:21:10 |
| R1.htm | 27242 | 2019-05-15 17:21:10 |
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| R9.htm | 13241 | 2019-05-15 17:21:10 |
| report.css | 2767 | 2019-05-15 17:21:10 |
| Show.js | 1085 | 2019-05-15 17:21:10 |