Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001174947-21-000157-index-headers.html | 2021-02-16 16:01:29 | |
| 0001174947-21-000157-index.html | 2021-02-16 16:01:29 | |
| 0001174947-21-000157.txt | 2021-02-16 16:01:29 | |
 0001174947-21-000157-xbrl.zip | 62366 | 2021-02-16 16:01:29 |
| esp-20201231.xml | 284733 | 2021-02-16 16:01:29 |
| esp-20201231.xsd | 22126 | 2021-02-16 16:01:29 |
| esp-20201231_cal.xml | 46484 | 2021-02-16 16:01:29 |
| esp-20201231_def.xml | 70704 | 2021-02-16 16:01:29 |
| esp-20201231_lab.xml | 250239 | 2021-02-16 16:01:29 |
| esp-20201231_pre.xml | 175858 | 2021-02-16 16:01:29 |
| ex31-1.htm | 8937 | 2021-02-16 16:01:29 |
| ex31-2.htm | 9070 | 2021-02-16 16:01:29 |
| ex32-1.htm | 3710 | 2021-02-16 16:01:29 |
| ex32-2.htm | 3999 | 2021-02-16 16:01:29 |
| FilingSummary.xml | 17497 | 2021-02-16 16:01:29 |
| Financial_Report.xlsx | 44552 | 2021-02-16 16:01:29 |
| form10q-25410_esp.htm | 489734 | 2021-02-16 16:01:29 |
 image_001.jpg | 14619 | 2021-02-16 16:01:29 |
| R1.htm | 32651 | 2021-02-16 16:01:29 |
| R10.htm | 6297 | 2021-02-16 16:01:29 |
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| R2.htm | 98284 | 2021-02-16 16:01:29 |
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| R21.htm | 5049 | 2021-02-16 16:01:29 |
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| R24.htm | 51944 | 2021-02-16 16:01:29 |
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| R27.htm | 24213 | 2021-02-16 16:01:29 |
| R28.htm | 58416 | 2021-02-16 16:01:29 |
| R29.htm | 13096 | 2021-02-16 16:01:29 |
| R3.htm | 17524 | 2021-02-16 16:01:29 |
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| R5.htm | 68563 | 2021-02-16 16:01:29 |
| R6.htm | 7545 | 2021-02-16 16:01:29 |
| R7.htm | 82360 | 2021-02-16 16:01:29 |
| R8.htm | 6707 | 2021-02-16 16:01:29 |
| R9.htm | 24949 | 2021-02-16 16:01:29 |
| report.css | 2767 | 2021-02-16 16:01:29 |
| Show.js | 1085 | 2021-02-16 16:01:29 |