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| 0001174947-19-001066-index.html | 2019-09-16 15:43:29 | |
| 0001174947-19-001066.txt | 2019-09-16 15:43:29 | |
 0001174947-19-001066-xbrl.zip | 107248 | 2019-09-16 15:43:29 |
| esp-20190630.xml | 533837 | 2019-09-16 15:43:29 |
| esp-20190630.xsd | 40834 | 2019-09-16 15:43:29 |
| esp-20190630_cal.xml | 69160 | 2019-09-16 15:43:29 |
| esp-20190630_def.xml | 111786 | 2019-09-16 15:43:29 |
| esp-20190630_lab.xml | 355099 | 2019-09-16 15:43:29 |
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| FilingSummary.xml | 36374 | 2019-09-16 15:43:29 |
| Financial_Report.xlsx | 76031 | 2019-09-16 15:43:29 |
| form10k-22753_esp.htm | 524814 | 2019-09-16 15:43:29 |
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| report.css | 2767 | 2019-09-16 15:43:29 |
| Show.js | 1085 | 2019-09-16 15:43:29 |