Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001654954-21-008154-index-headers.html | 2021-07-23 13:45:57 | |
| 0001654954-21-008154-index.html | 2021-07-23 13:45:57 | |
| 0001654954-21-008154.txt | 2021-07-23 13:45:57 | |
 0001654954-21-008154-xbrl.zip | 205729 | 2021-07-23 13:45:57 |
| epwcf-20201231.xml | 1733188 | 2021-07-23 13:45:57 |
| epwcf-20201231.xsd | 133977 | 2021-07-23 13:45:57 |
| epwcf-20201231_cal.xml | 107017 | 2021-07-23 13:45:57 |
| epwcf-20201231_def.xml | 255348 | 2021-07-23 13:45:57 |
| epwcf-20201231_lab.xml | 519803 | 2021-07-23 13:45:57 |
| epwcf-20201231_pre.xml | 460574 | 2021-07-23 13:45:57 |
| epwcf_20f.htm | 2844013 | 2021-07-23 13:45:57 |
| epwcf_ex121.htm | 18980 | 2021-07-23 13:45:57 |
| epwcf_ex122.htm | 17963 | 2021-07-23 13:45:57 |
| epwcf_ex131.htm | 7743 | 2021-07-23 13:45:57 |
| epwcf_ex132.htm | 7882 | 2021-07-23 13:45:57 |
| epwcf_ex81.htm | 15105 | 2021-07-23 13:45:57 |
| FilingSummary.xml | 63827 | 2021-07-23 13:45:57 |
| Financial_Report.xlsx | 170309 | 2021-07-23 13:45:57 |
 logo.jpg | 8002 | 2021-07-23 13:45:57 |
| R1.htm | 33464 | 2021-07-23 13:45:57 |
| R10.htm | 17232 | 2021-07-23 13:45:57 |
| R100.htm | 3967 | 2021-07-23 13:45:57 |
| R101.htm | 8742 | 2021-07-23 13:45:57 |
| R102.htm | 10479 | 2021-07-23 13:45:57 |
| R103.htm | 19732 | 2021-07-23 13:45:57 |
| R104.htm | 26880 | 2021-07-23 13:45:57 |
| R11.htm | 22113 | 2021-07-23 13:45:57 |
| R12.htm | 23537 | 2021-07-23 13:45:57 |
| R13.htm | 8199 | 2021-07-23 13:45:57 |
| R14.htm | 5731 | 2021-07-23 13:45:57 |
| R15.htm | 5404 | 2021-07-23 13:45:57 |
| R16.htm | 39530 | 2021-07-23 13:45:57 |
| R17.htm | 37008 | 2021-07-23 13:45:57 |
| R18.htm | 8107 | 2021-07-23 13:45:57 |
| R19.htm | 17728 | 2021-07-23 13:45:57 |
| R2.htm | 73691 | 2021-07-23 13:45:57 |
| R20.htm | 11379 | 2021-07-23 13:45:57 |
| R21.htm | 15648 | 2021-07-23 13:45:57 |
| R22.htm | 25377 | 2021-07-23 13:45:57 |
| R23.htm | 27064 | 2021-07-23 13:45:57 |
| R24.htm | 39168 | 2021-07-23 13:45:57 |
| R25.htm | 112490 | 2021-07-23 13:45:57 |
| R26.htm | 10379 | 2021-07-23 13:45:57 |
| R27.htm | 4280 | 2021-07-23 13:45:57 |
| R28.htm | 23409 | 2021-07-23 13:45:57 |
| R29.htm | 34083 | 2021-07-23 13:45:57 |
| R3.htm | 80541 | 2021-07-23 13:45:57 |
| R30.htm | 17737 | 2021-07-23 13:45:57 |
| R31.htm | 12565 | 2021-07-23 13:45:57 |
| R32.htm | 13378 | 2021-07-23 13:45:57 |
| R33.htm | 13735 | 2021-07-23 13:45:57 |
| R34.htm | 7815 | 2021-07-23 13:45:57 |
| R35.htm | 116096 | 2021-07-23 13:45:57 |
| R36.htm | 13987 | 2021-07-23 13:45:57 |
| R37.htm | 5072 | 2021-07-23 13:45:57 |
| R38.htm | 7562 | 2021-07-23 13:45:57 |
| R39.htm | 13308 | 2021-07-23 13:45:57 |
| R4.htm | 111705 | 2021-07-23 13:45:57 |
| R40.htm | 17842 | 2021-07-23 13:45:57 |
| R41.htm | 16559 | 2021-07-23 13:45:57 |
| R42.htm | 8208 | 2021-07-23 13:45:57 |
| R43.htm | 35983 | 2021-07-23 13:45:57 |
| R44.htm | 34720 | 2021-07-23 13:45:57 |
| R45.htm | 7168 | 2021-07-23 13:45:57 |
| R46.htm | 12820 | 2021-07-23 13:45:57 |
| R47.htm | 10445 | 2021-07-23 13:45:57 |
| R48.htm | 12675 | 2021-07-23 13:45:57 |
| R49.htm | 21595 | 2021-07-23 13:45:57 |
| R5.htm | 102826 | 2021-07-23 13:45:57 |
| R50.htm | 25553 | 2021-07-23 13:45:57 |
| R51.htm | 29955 | 2021-07-23 13:45:57 |
| R52.htm | 64040 | 2021-07-23 13:45:57 |
| R53.htm | 10388 | 2021-07-23 13:45:57 |
| R54.htm | 22024 | 2021-07-23 13:45:57 |
| R55.htm | 30543 | 2021-07-23 13:45:57 |
| R56.htm | 6024 | 2021-07-23 13:45:57 |
| R57.htm | 9090 | 2021-07-23 13:45:57 |
| R58.htm | 9800 | 2021-07-23 13:45:57 |
| R59.htm | 12315 | 2021-07-23 13:45:57 |
| R6.htm | 11778 | 2021-07-23 13:45:57 |
| R60.htm | 6126 | 2021-07-23 13:45:57 |
| R61.htm | 57611 | 2021-07-23 13:45:57 |
| R62.htm | 11290 | 2021-07-23 13:45:57 |
| R63.htm | 20881 | 2021-07-23 13:45:57 |
| R64.htm | 44221 | 2021-07-23 13:45:57 |
| R65.htm | 7255 | 2021-07-23 13:45:57 |
| R66.htm | 34270 | 2021-07-23 13:45:57 |
| R67.htm | 21629 | 2021-07-23 13:45:57 |
| R68.htm | 29411 | 2021-07-23 13:45:57 |
| R69.htm | 32312 | 2021-07-23 13:45:57 |
| R7.htm | 20980 | 2021-07-23 13:45:57 |
| R70.htm | 7409 | 2021-07-23 13:45:57 |
| R71.htm | 8178 | 2021-07-23 13:45:57 |
| R72.htm | 4501 | 2021-07-23 13:45:57 |
| R73.htm | 72245 | 2021-07-23 13:45:57 |
| R74.htm | 51636 | 2021-07-23 13:45:57 |
| R75.htm | 8609 | 2021-07-23 13:45:57 |
| R76.htm | 8288 | 2021-07-23 13:45:57 |
| R77.htm | 6817 | 2021-07-23 13:45:57 |
| R78.htm | 18440 | 2021-07-23 13:45:57 |
| R79.htm | 11187 | 2021-07-23 13:45:57 |
| R8.htm | 84573 | 2021-07-23 13:45:57 |
| R80.htm | 18498 | 2021-07-23 13:45:57 |
| R81.htm | 13265 | 2021-07-23 13:45:57 |
| R82.htm | 8896 | 2021-07-23 13:45:57 |
| R83.htm | 15871 | 2021-07-23 13:45:57 |
| R84.htm | 44777 | 2021-07-23 13:45:57 |
| R85.htm | 3925 | 2021-07-23 13:45:57 |
| R86.htm | 31915 | 2021-07-23 13:45:57 |
| R87.htm | 54119 | 2021-07-23 13:45:57 |
| R88.htm | 77971 | 2021-07-23 13:45:57 |
| R89.htm | 20486 | 2021-07-23 13:45:57 |
| R9.htm | 9944 | 2021-07-23 13:45:57 |
| R90.htm | 48640 | 2021-07-23 13:45:57 |
| R91.htm | 17357 | 2021-07-23 13:45:57 |
| R92.htm | 32345 | 2021-07-23 13:45:57 |
| R93.htm | 22392 | 2021-07-23 13:45:57 |
| R94.htm | 23466 | 2021-07-23 13:45:57 |
| R95.htm | 15317 | 2021-07-23 13:45:57 |
| R96.htm | 5069 | 2021-07-23 13:45:57 |
| R97.htm | 26338 | 2021-07-23 13:45:57 |
| R98.htm | 18788 | 2021-07-23 13:45:57 |
| R99.htm | 35883 | 2021-07-23 13:45:57 |
| report.css | 2768 | 2021-07-23 13:45:57 |
| Show.js | 1086 | 2021-07-23 13:45:57 |