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| 0001654954-21-004295-index.html | 2021-04-16 17:09:42 | |
| 0001654954-21-004295.txt | 2021-04-16 17:09:42 | |
 0001654954-21-004295-xbrl.zip | 79260 | 2021-04-16 17:09:42 |
| FilingSummary.xml | 27675 | 2021-04-16 17:09:42 |
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| gtbp-20201231_lab.xml | 199848 | 2021-04-16 17:09:42 |
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| gtbp_ex42.htm | 44942 | 2021-04-16 17:09:42 |
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| report.css | 2767 | 2021-04-16 17:09:42 |
| Show.js | 1085 | 2021-04-16 17:09:42 |