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|---|---|---|
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| 0000028917-22-000009-index.html | 2022-03-29 16:59:33 | |
| 0000028917-22-000009.txt | 2022-03-29 16:59:33 | |
 0000028917-22-000009-xbrl.zip | 426015 | 2022-03-29 16:59:33 |
| dds-012922ex32a.htm | 4651 | 2022-03-29 16:59:33 |
| dds-012922xex21.htm | 27585 | 2022-03-29 16:59:33 |
| dds-012922xex23.htm | 2691 | 2022-03-29 16:59:33 |
| dds-012922xex31a.htm | 9533 | 2022-03-29 16:59:33 |
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| dds-20220129.xsd | 60571 | 2022-03-29 16:59:33 |
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| dds-20220129_htm.xml | 1515658 | 2022-03-29 16:59:33 |
| dds-20220129_lab.xml | 787377 | 2022-03-29 16:59:33 |
| dds-20220129_pre.xml | 468100 | 2022-03-29 16:59:33 |
| FilingSummary.xml | 34337 | 2022-03-29 16:59:33 |
| Financial_Report.xlsx | 93411 | 2022-03-29 16:59:33 |
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| R1.htm | 65412 | 2022-03-29 16:59:33 |
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| report.css | 2767 | 2022-03-29 16:59:33 |
| Show.js | 1085 | 2022-03-29 16:59:33 |