Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001174947-20-000957-index-headers.html | 2020-09-21 16:01:27 | |
| 0001174947-20-000957-index.html | 2020-09-21 16:01:27 | |
| 0001174947-20-000957.txt | 2020-09-21 16:01:27 | |
 0001174947-20-000957-xbrl.zip | 103205 | 2020-09-21 16:01:27 |
| esp-20200630.xml | 508557 | 2020-09-21 16:01:27 |
| esp-20200630.xsd | 40900 | 2020-09-21 16:01:27 |
| esp-20200630_cal.xml | 70526 | 2020-09-21 16:01:27 |
| esp-20200630_def.xml | 110918 | 2020-09-21 16:01:27 |
| esp-20200630_lab.xml | 357942 | 2020-09-21 16:01:27 |
| esp-20200630_pre.xml | 269908 | 2020-09-21 16:01:27 |
| ex11-1.htm | 33300 | 2020-09-21 16:01:27 |
| ex23-1.htm | 3274 | 2020-09-21 16:01:27 |
| ex31-1.htm | 8824 | 2020-09-21 16:01:27 |
| ex31-2.htm | 8791 | 2020-09-21 16:01:27 |
| ex32-1.htm | 3810 | 2020-09-21 16:01:27 |
| ex32-2.htm | 3774 | 2020-09-21 16:01:27 |
| FilingSummary.xml | 36066 | 2020-09-21 16:01:27 |
| Financial_Report.xlsx | 84241 | 2020-09-21 16:01:27 |
| form10k-24769_esp.htm | 483922 | 2020-09-21 16:01:27 |
 image_001.jpg | 34027 | 2020-09-21 16:01:27 |
| R1.htm | 61841 | 2020-09-21 16:01:27 |
| R10.htm | 11651 | 2020-09-21 16:01:27 |
| R11.htm | 25223 | 2020-09-21 16:01:27 |
| R12.htm | 8356 | 2020-09-21 16:01:27 |
| R13.htm | 10871 | 2020-09-21 16:01:27 |
| R14.htm | 6974 | 2020-09-21 16:01:27 |
| R15.htm | 28959 | 2020-09-21 16:01:27 |
| R16.htm | 4998 | 2020-09-21 16:01:27 |
| R17.htm | 10017 | 2020-09-21 16:01:27 |
| R18.htm | 32296 | 2020-09-21 16:01:27 |
| R19.htm | 6213 | 2020-09-21 16:01:27 |
| R2.htm | 93743 | 2020-09-21 16:01:27 |
| R20.htm | 6557 | 2020-09-21 16:01:27 |
| R21.htm | 7088 | 2020-09-21 16:01:27 |
| R22.htm | 21818 | 2020-09-21 16:01:27 |
| R23.htm | 5403 | 2020-09-21 16:01:27 |
| R24.htm | 17986 | 2020-09-21 16:01:27 |
| R25.htm | 68105 | 2020-09-21 16:01:27 |
| R26.htm | 5973 | 2020-09-21 16:01:27 |
| R27.htm | 25955 | 2020-09-21 16:01:27 |
| R28.htm | 5762 | 2020-09-21 16:01:27 |
| R29.htm | 9950 | 2020-09-21 16:01:27 |
| R3.htm | 17370 | 2020-09-21 16:01:27 |
| R30.htm | 28982 | 2020-09-21 16:01:27 |
| R31.htm | 7944 | 2020-09-21 16:01:27 |
| R32.htm | 30939 | 2020-09-21 16:01:27 |
| R33.htm | 21159 | 2020-09-21 16:01:27 |
| R34.htm | 17900 | 2020-09-21 16:01:27 |
| R35.htm | 14449 | 2020-09-21 16:01:27 |
| R36.htm | 35810 | 2020-09-21 16:01:27 |
| R37.htm | 13760 | 2020-09-21 16:01:27 |
| R38.htm | 10088 | 2020-09-21 16:01:27 |
| R39.htm | 4059 | 2020-09-21 16:01:27 |
| R4.htm | 72097 | 2020-09-21 16:01:27 |
| R40.htm | 6043 | 2020-09-21 16:01:27 |
| R41.htm | 6403 | 2020-09-21 16:01:27 |
| R42.htm | 15636 | 2020-09-21 16:01:27 |
| R43.htm | 9612 | 2020-09-21 16:01:27 |
| R44.htm | 7587 | 2020-09-21 16:01:27 |
| R45.htm | 15151 | 2020-09-21 16:01:27 |
| R46.htm | 22732 | 2020-09-21 16:01:27 |
| R47.htm | 25777 | 2020-09-21 16:01:27 |
| R48.htm | 23202 | 2020-09-21 16:01:27 |
| R49.htm | 14630 | 2020-09-21 16:01:27 |
| R5.htm | 55973 | 2020-09-21 16:01:27 |
| R50.htm | 11675 | 2020-09-21 16:01:27 |
| R51.htm | 44673 | 2020-09-21 16:01:27 |
| R52.htm | 14479 | 2020-09-21 16:01:27 |
| R53.htm | 46298 | 2020-09-21 16:01:27 |
| R54.htm | 17687 | 2020-09-21 16:01:27 |
| R55.htm | 6752 | 2020-09-21 16:01:27 |
| R56.htm | 4187 | 2020-09-21 16:01:27 |
| R57.htm | 16645 | 2020-09-21 16:01:27 |
| R58.htm | 9153 | 2020-09-21 16:01:27 |
| R59.htm | 38219 | 2020-09-21 16:01:27 |
| R6.htm | 7089 | 2020-09-21 16:01:27 |
| R60.htm | 5911 | 2020-09-21 16:01:27 |
| R61.htm | 36735 | 2020-09-21 16:01:27 |
| R7.htm | 82552 | 2020-09-21 16:01:27 |
| R8.htm | 5498 | 2020-09-21 16:01:27 |
| R9.htm | 28827 | 2020-09-21 16:01:27 |
| report.css | 2766 | 2020-09-21 16:01:27 |
| Show.js | 1085 | 2020-09-21 16:01:27 |