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| 0001564590-19-018973.txt | 2019-05-14 07:47:02 | |
 0001564590-19-018973-xbrl.zip | 115032 | 2019-05-14 07:47:02 |
| FilingSummary.xml | 32503 | 2019-05-14 07:47:02 |
| Financial_Report.xlsx | 56500 | 2019-05-14 07:47:02 |
| goss-10q_20190331.htm | 1507700 | 2019-05-14 07:47:02 |
| goss-20190331.xml | 1205613 | 2019-05-14 07:47:02 |
| goss-20190331.xsd | 53182 | 2019-05-14 07:47:02 |
| goss-20190331_cal.xml | 51709 | 2019-05-14 07:47:02 |
| goss-20190331_def.xml | 190054 | 2019-05-14 07:47:02 |
| goss-20190331_lab.xml | 421121 | 2019-05-14 07:47:02 |
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| goss-ex311_6.htm | 9271 | 2019-05-14 07:47:02 |
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| report.css | 2767 | 2019-05-14 07:47:02 |
| Show.js | 1085 | 2019-05-14 07:47:02 |