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| 0000811589-21-000017-index.html | 2021-05-10 17:05:30 | |
| 0000811589-21-000017.txt | 2021-05-10 17:05:30 | |
 0000811589-21-000017-xbrl.zip | 428207 | 2021-05-10 17:05:30 |
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| report.css | 2767 | 2021-05-10 17:05:30 |
| Show.js | 1085 | 2021-05-10 17:05:30 |