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| 0001564590-19-041003-index.html | 2019-11-06 16:06:37 | |
| 0001564590-19-041003.txt | 2019-11-06 16:06:37 | |
 0001564590-19-041003-xbrl.zip | 114832 | 2019-11-06 16:06:37 |
| FilingSummary.xml | 23317 | 2019-11-06 16:06:37 |
| Financial_Report.xlsx | 58169 | 2019-11-06 16:06:37 |
| gern-10q_20190930.htm | 2159557 | 2019-11-06 16:06:37 |
| gern-20190930.xml | 1504999 | 2019-11-06 16:06:37 |
| gern-20190930.xsd | 33771 | 2019-11-06 16:06:37 |
| gern-20190930_cal.xml | 43638 | 2019-11-06 16:06:37 |
| gern-20190930_def.xml | 131049 | 2019-11-06 16:06:37 |
| gern-20190930_lab.xml | 294740 | 2019-11-06 16:06:37 |
| gern-20190930_pre.xml | 226124 | 2019-11-06 16:06:37 |
| gern-ex101_136.htm | 37832 | 2019-11-06 16:06:37 |
| gern-ex311_8.htm | 17412 | 2019-11-06 16:06:37 |
| gern-ex312_7.htm | 17432 | 2019-11-06 16:06:37 |
| gern-ex321_10.htm | 7646 | 2019-11-06 16:06:37 |
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| R9.htm | 432399 | 2019-11-06 16:06:37 |
| report.css | 2767 | 2019-11-06 16:06:37 |
| Show.js | 1085 | 2019-11-06 16:06:37 |