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|---|---|---|
 0001628280-19-011591-index-headers.html | 2019-09-10 16:21:19 | |
| 0001628280-19-011591-index.html | 2019-09-10 16:21:19 | |
| 0001628280-19-011591.txt | 2019-09-10 16:21:19 | |
 0001628280-19-011591-xbrl.zip | 69290 | 2019-09-10 16:21:19 |
 ballardspharlogoa04.gif | 11891 | 2019-09-10 16:21:19 |
| exc-20190910.xsd | 4667 | 2019-09-10 16:21:19 |
| exc-20190910_cal.xml | 704 | 2019-09-10 16:21:19 |
| exc-20190910_def.xml | 1554 | 2019-09-10 16:21:19 |
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| exc-20190910_pre.xml | 14194 | 2019-09-10 16:21:19 |
| exc2019091011.htm | 182156 | 2019-09-10 16:21:19 |
| exc2019091041.htm | 273716 | 2019-09-10 16:21:19 |
| exc2019091051.htm | 11256 | 2019-09-10 16:21:19 |
| exc2019091081.htm | 8862 | 2019-09-10 16:21:19 |
| exc201909108k.htm | 64439 | 2019-09-10 16:21:19 |
| exc201909108k_htm.xml | 4856 | 2019-09-10 16:21:19 |
| FilingSummary.xml | 1915 | 2019-09-10 16:21:19 |
| Financial_Report.xlsx | 5837 | 2019-09-10 16:21:19 |
| MetaLinks.json | 19806 | 2019-09-10 16:21:19 |
| R1.htm | 40198 | 2019-09-10 16:21:19 |
| report.css | 2767 | 2019-09-10 16:21:19 |
| Show.js | 1085 | 2019-09-10 16:21:19 |