Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001174947-21-000552-index-headers.html | 2021-05-17 16:15:33 | |
| 0001174947-21-000552-index.html | 2021-05-17 16:15:33 | |
| 0001174947-21-000552.txt | 2021-05-17 16:15:33 | |
 0001174947-21-000552-xbrl.zip | 61954 | 2021-05-17 16:15:33 |
| esp-20210331.xml | 287980 | 2021-05-17 16:15:33 |
| esp-20210331.xsd | 21966 | 2021-05-17 16:15:33 |
| esp-20210331_cal.xml | 47460 | 2021-05-17 16:15:33 |
| esp-20210331_def.xml | 71169 | 2021-05-17 16:15:33 |
| esp-20210331_lab.xml | 252353 | 2021-05-17 16:15:33 |
| esp-20210331_pre.xml | 177399 | 2021-05-17 16:15:33 |
| ex31-1.htm | 8816 | 2021-05-17 16:15:33 |
| ex31-2.htm | 8999 | 2021-05-17 16:15:33 |
| ex32-1.htm | 3807 | 2021-05-17 16:15:33 |
| ex32-2.htm | 3999 | 2021-05-17 16:15:33 |
| FilingSummary.xml | 17490 | 2021-05-17 16:15:33 |
| Financial_Report.xlsx | 44849 | 2021-05-17 16:15:33 |
| form10q-26147_esp.htm | 458170 | 2021-05-17 16:15:33 |
 image_001.jpg | 14619 | 2021-05-17 16:15:33 |
| R1.htm | 32611 | 2021-05-17 16:15:33 |
| R10.htm | 6201 | 2021-05-17 16:15:33 |
| R11.htm | 31271 | 2021-05-17 16:15:33 |
| R12.htm | 7494 | 2021-05-17 16:15:33 |
| R13.htm | 11508 | 2021-05-17 16:15:33 |
| R14.htm | 16652 | 2021-05-17 16:15:33 |
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| R17.htm | 30451 | 2021-05-17 16:15:33 |
| R18.htm | 10588 | 2021-05-17 16:15:33 |
| R19.htm | 16616 | 2021-05-17 16:15:33 |
| R2.htm | 117011 | 2021-05-17 16:15:33 |
| R20.htm | 10239 | 2021-05-17 16:15:33 |
| R21.htm | 5051 | 2021-05-17 16:15:33 |
| R22.htm | 46632 | 2021-05-17 16:15:33 |
| R23.htm | 14566 | 2021-05-17 16:15:33 |
| R24.htm | 51946 | 2021-05-17 16:15:33 |
| R25.htm | 19914 | 2021-05-17 16:15:33 |
| R26.htm | 4213 | 2021-05-17 16:15:33 |
| R27.htm | 27996 | 2021-05-17 16:15:33 |
| R28.htm | 58735 | 2021-05-17 16:15:33 |
| R29.htm | 13097 | 2021-05-17 16:15:33 |
| R3.htm | 17530 | 2021-05-17 16:15:33 |
| R4.htm | 91113 | 2021-05-17 16:15:33 |
| R5.htm | 71519 | 2021-05-17 16:15:33 |
| R6.htm | 7551 | 2021-05-17 16:15:33 |
| R7.htm | 87249 | 2021-05-17 16:15:33 |
| R8.htm | 6743 | 2021-05-17 16:15:33 |
| R9.htm | 26241 | 2021-05-17 16:15:33 |
| report.css | 2767 | 2021-05-17 16:15:33 |
| Show.js | 1085 | 2021-05-17 16:15:33 |