Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001174947-20-000677-index-headers.html | 2020-05-14 16:01:52 | |
| 0001174947-20-000677-index.html | 2020-05-14 16:01:52 | |
| 0001174947-20-000677.txt | 2020-05-14 16:01:52 | |
 0001174947-20-000677-xbrl.zip | 61637 | 2020-05-14 16:01:52 |
| esp-20200331.xml | 281458 | 2020-05-14 16:01:52 |
| esp-20200331.xsd | 21568 | 2020-05-14 16:01:52 |
| esp-20200331_cal.xml | 46085 | 2020-05-14 16:01:52 |
| esp-20200331_def.xml | 60616 | 2020-05-14 16:01:52 |
| esp-20200331_lab.xml | 242793 | 2020-05-14 16:01:52 |
| esp-20200331_pre.xml | 167014 | 2020-05-14 16:01:52 |
| ex31-1.htm | 8891 | 2020-05-14 16:01:52 |
| ex31-2.htm | 8976 | 2020-05-14 16:01:52 |
| ex32-1.htm | 3882 | 2020-05-14 16:01:52 |
| ex32-2.htm | 4018 | 2020-05-14 16:01:52 |
| FilingSummary.xml | 17221 | 2020-05-14 16:01:52 |
| Financial_Report.xlsx | 38713 | 2020-05-14 16:01:52 |
| form10q-24183_esp.htm | 433376 | 2020-05-14 16:01:52 |
 image_001.jpg | 9468 | 2020-05-14 16:01:52 |
| R1.htm | 32645 | 2020-05-14 16:01:52 |
| R10.htm | 5953 | 2020-05-14 16:01:52 |
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| R27.htm | 24207 | 2020-05-14 16:01:52 |
| R28.htm | 17963 | 2020-05-14 16:01:52 |
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| R3.htm | 17522 | 2020-05-14 16:01:52 |
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| R6.htm | 7535 | 2020-05-14 16:01:52 |
| R7.htm | 85415 | 2020-05-14 16:01:52 |
| R8.htm | 6411 | 2020-05-14 16:01:52 |
| R9.htm | 24970 | 2020-05-14 16:01:52 |
| report.css | 2767 | 2020-05-14 16:01:52 |
| Show.js | 1085 | 2020-05-14 16:01:52 |