Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000826675-22-000006-index-headers.html | 2022-02-28 15:16:15 | |
| 0000826675-22-000006-index.html | 2022-02-28 15:16:15 | |
| 0000826675-22-000006.txt | 2022-02-28 15:16:15 | |
 0000826675-22-000006-xbrl.zip | 744914 | 2022-02-28 15:16:15 |
| a4q21ex-311ceocertification.htm | 10728 | 2022-02-28 15:16:15 |
| a4q21ex-312cfocertification.htm | 10743 | 2022-02-28 15:16:15 |
| a4q21ex-321soxcertification.htm | 8075 | 2022-02-28 15:16:15 |
| dx-20211231.htm | 2681937 | 2022-02-28 15:16:15 |
| dx-20211231.xsd | 33075 | 2022-02-28 15:16:15 |
| dx-20211231_cal.xml | 49796 | 2022-02-28 15:16:15 |
| dx-20211231_def.xml | 345752 | 2022-02-28 15:16:15 |
 dx-20211231_g1.jpg | 136193 | 2022-02-28 15:16:15 |
 dx-20211231_g2.jpg | 123732 | 2022-02-28 15:16:15 |
 dx-20211231_g3.jpg | 124004 | 2022-02-28 15:16:15 |
 dx-20211231_g4.jpg | 97109 | 2022-02-28 15:16:15 |
| dx-20211231_htm.xml | 1983355 | 2022-02-28 15:16:15 |
| dx-20211231_lab.xml | 557267 | 2022-02-28 15:16:15 |
| dx-20211231_pre.xml | 418255 | 2022-02-28 15:16:15 |
| ex-10238amendmentno8todyne.htm | 43983 | 2022-02-28 15:16:15 |
| ex-44descriptionofsecuriti.htm | 112849 | 2022-02-28 15:16:15 |
| exhibit10182021.htm | 5467 | 2022-02-28 15:16:15 |
| exhibit10414.htm | 117926 | 2022-02-28 15:16:15 |
| exhibit10415.htm | 48622 | 2022-02-28 15:16:15 |
| exhibit231consent2021.htm | 2998 | 2022-02-28 15:16:15 |
| FilingSummary.xml | 31103 | 2022-02-28 15:16:15 |
| Financial_Report.xlsx | 94133 | 2022-02-28 15:16:15 |
| MetaLinks.json | 578719 | 2022-02-28 15:16:15 |
| R1.htm | 71600 | 2022-02-28 15:16:15 |
| R10.htm | 132003 | 2022-02-28 15:16:15 |
| R11.htm | 5235 | 2022-02-28 15:16:15 |
| R12.htm | 67741 | 2022-02-28 15:16:15 |
| R13.htm | 150211 | 2022-02-28 15:16:15 |
| R14.htm | 75040 | 2022-02-28 15:16:15 |
| R15.htm | 73184 | 2022-02-28 15:16:15 |
| R16.htm | 8046 | 2022-02-28 15:16:15 |
| R17.htm | 83757 | 2022-02-28 15:16:15 |
| R18.htm | 20768 | 2022-02-28 15:16:15 |
| R19.htm | 133373 | 2022-02-28 15:16:15 |
| R2.htm | 7861 | 2022-02-28 15:16:15 |
| R20.htm | 67820 | 2022-02-28 15:16:15 |
| R21.htm | 166279 | 2022-02-28 15:16:15 |
| R22.htm | 142907 | 2022-02-28 15:16:15 |
| R23.htm | 69358 | 2022-02-28 15:16:15 |
| R24.htm | 17131 | 2022-02-28 15:16:15 |
| R25.htm | 12465 | 2022-02-28 15:16:15 |
| R26.htm | 33973 | 2022-02-28 15:16:15 |
| R27.htm | 70312 | 2022-02-28 15:16:15 |
| R28.htm | 16455 | 2022-02-28 15:16:15 |
| R29.htm | 27344 | 2022-02-28 15:16:15 |
| R3.htm | 86425 | 2022-02-28 15:16:15 |
| R30.htm | 11588 | 2022-02-28 15:16:15 |
| R31.htm | 30733 | 2022-02-28 15:16:15 |
| R32.htm | 20864 | 2022-02-28 15:16:15 |
| R33.htm | 11699 | 2022-02-28 15:16:15 |
| R34.htm | 20286 | 2022-02-28 15:16:15 |
| R35.htm | 19150 | 2022-02-28 15:16:15 |
| R36.htm | 22756 | 2022-02-28 15:16:15 |
| R37.htm | 24383 | 2022-02-28 15:16:15 |
| R38.htm | 24170 | 2022-02-28 15:16:15 |
| R39.htm | 12077 | 2022-02-28 15:16:15 |
| R4.htm | 80074 | 2022-02-28 15:16:15 |
| R40.htm | 22205 | 2022-02-28 15:16:15 |
| R41.htm | 38169 | 2022-02-28 15:16:15 |
| R42.htm | 32206 | 2022-02-28 15:16:15 |
| R43.htm | 53995 | 2022-02-28 15:16:15 |
| R44.htm | 14952 | 2022-02-28 15:16:15 |
| R45.htm | 20705 | 2022-02-28 15:16:15 |
| R46.htm | 42122 | 2022-02-28 15:16:15 |
| R47.htm | 40921 | 2022-02-28 15:16:15 |
| R48.htm | 14628 | 2022-02-28 15:16:15 |
| R49.htm | 6195 | 2022-02-28 15:16:15 |
| R5.htm | 133396 | 2022-02-28 15:16:15 |
| R6.htm | 91698 | 2022-02-28 15:16:15 |
| R7.htm | 23123 | 2022-02-28 15:16:15 |
| R8.htm | 52703 | 2022-02-28 15:16:15 |
| R9.htm | 23101 | 2022-02-28 15:16:15 |
| report.css | 2767 | 2022-02-28 15:16:15 |
| Show.js | 1085 | 2022-02-28 15:16:15 |