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| 0000789933-20-000059.txt | 2020-11-02 17:05:44 | |
 0000789933-20-000059-xbrl.zip | 236712 | 2020-11-02 17:05:44 |
| exhibit311q320.htm | 11305 | 2020-11-02 17:05:44 |
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| report.css | 2767 | 2020-11-02 17:05:44 |
| Show.js | 1085 | 2020-11-02 17:05:44 |