Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001213900-20-007799-index-headers.html | 2020-03-30 06:35:36 | |
| 0001213900-20-007799-index.html | 2020-03-30 06:35:36 | |
| 0001213900-20-007799.txt | 2020-03-30 06:35:36 | |
 0001213900-20-007799-xbrl.zip | 29409 | 2020-03-30 06:35:36 |
| cik0001672885-20191231.xml | 87474 | 2020-03-30 06:35:36 |
| cik0001672885-20191231.xsd | 16142 | 2020-03-30 06:35:36 |
| cik0001672885-20191231_cal.xml | 18599 | 2020-03-30 06:35:36 |
| cik0001672885-20191231_def.xml | 32771 | 2020-03-30 06:35:36 |
| cik0001672885-20191231_lab.xml | 102746 | 2020-03-30 06:35:36 |
| cik0001672885-20191231_pre.xml | 77740 | 2020-03-30 06:35:36 |
| f10k2019ex31-1_doersedu.htm | 7289 | 2020-03-30 06:35:36 |
| f10k2019ex32-1_doersedu.htm | 2940 | 2020-03-30 06:35:36 |
| f10k2019_doerseducation.htm | 346056 | 2020-03-30 06:35:36 |
| FilingSummary.xml | 11718 | 2020-03-30 06:35:36 |
| Financial_Report.xlsx | 22929 | 2020-03-30 06:35:36 |
| R1.htm | 38863 | 2020-03-30 06:35:36 |
| R10.htm | 5092 | 2020-03-30 06:35:36 |
| R11.htm | 8047 | 2020-03-30 06:35:36 |
| R12.htm | 5219 | 2020-03-30 06:35:36 |
| R13.htm | 38030 | 2020-03-30 06:35:36 |
| R14.htm | 9903 | 2020-03-30 06:35:36 |
| R15.htm | 10281 | 2020-03-30 06:35:36 |
| R16.htm | 5264 | 2020-03-30 06:35:36 |
| R17.htm | 5079 | 2020-03-30 06:35:36 |
| R18.htm | 58075 | 2020-03-30 06:35:36 |
| R2.htm | 35154 | 2020-03-30 06:35:36 |
| R3.htm | 18924 | 2020-03-30 06:35:36 |
| R4.htm | 25596 | 2020-03-30 06:35:36 |
| R5.htm | 15791 | 2020-03-30 06:35:36 |
| R6.htm | 31531 | 2020-03-30 06:35:36 |
| R7.htm | 19126 | 2020-03-30 06:35:36 |
| R8.htm | 7220 | 2020-03-30 06:35:36 |
| R9.htm | 4484 | 2020-03-30 06:35:36 |
| report.css | 2767 | 2020-03-30 06:35:36 |
| Show.js | 1085 | 2020-03-30 06:35:36 |