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| 0001493152-20-015970-index.html | 2020-08-14 17:30:24 | |
| 0001493152-20-015970.txt | 2020-08-14 17:30:24 | |
 0001493152-20-015970-xbrl.zip | 56083 | 2020-08-14 17:30:24 |
| ex31.htm | 16505 | 2020-08-14 17:30:24 |
| ex32.htm | 5820 | 2020-08-14 17:30:24 |
| FilingSummary.xml | 16833 | 2020-08-14 17:30:24 |
| Financial_Report.xlsx | 41014 | 2020-08-14 17:30:24 |
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| hpto-20200630.xml | 278370 | 2020-08-14 17:30:24 |
| hpto-20200630.xsd | 31132 | 2020-08-14 17:30:24 |
| hpto-20200630_cal.xml | 32142 | 2020-08-14 17:30:24 |
| hpto-20200630_def.xml | 76709 | 2020-08-14 17:30:24 |
| hpto-20200630_lab.xml | 220815 | 2020-08-14 17:30:24 |
| hpto-20200630_pre.xml | 141179 | 2020-08-14 17:30:24 |
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| R1.htm | 29308 | 2020-08-14 17:30:24 |
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| R27.htm | 25674 | 2020-08-14 17:30:24 |
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| R8.htm | 18841 | 2020-08-14 17:30:24 |
| R9.htm | 11727 | 2020-08-14 17:30:24 |
| report.css | 2767 | 2020-08-14 17:30:24 |
| Show.js | 1085 | 2020-08-14 17:30:24 |