Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-22-003518-index-headers.html | 2022-02-23 16:24:11 | |
| 0001628280-22-003518-index.html | 2022-02-23 16:24:11 | |
| 0001628280-22-003518.txt | 2022-02-23 16:24:11 | |
 0001628280-22-003518-xbrl.zip | 597411 | 2022-02-23 16:24:11 |
| dco-20211231.htm | 2730806 | 2022-02-23 16:24:11 |
| dco-20211231.xsd | 76794 | 2022-02-23 16:24:11 |
| dco-20211231_cal.xml | 147157 | 2022-02-23 16:24:11 |
| dco-20211231_def.xml | 406403 | 2022-02-23 16:24:11 |
 dco-20211231_g1.jpg | 44974 | 2022-02-23 16:24:11 |
 dco-20211231_g2.jpg | 50806 | 2022-02-23 16:24:11 |
 dco-20211231_g3.jpg | 90490 | 2022-02-23 16:24:11 |
| dco-20211231_htm.xml | 2595940 | 2022-02-23 16:24:11 |
| dco-20211231_lab.xml | 1088795 | 2022-02-23 16:24:11 |
| dco-20211231_pre.xml | 731165 | 2022-02-23 16:24:11 |
| dco10-k2021_ex21.htm | 12962 | 2022-02-23 16:24:11 |
| dco10-k2021_ex23.htm | 2756 | 2022-02-23 16:24:11 |
| dco10-k2021_ex31x1.htm | 9852 | 2022-02-23 16:24:11 |
| dco10-k2021_ex31x2.htm | 9970 | 2022-02-23 16:24:11 |
| dco10-k2021_ex32.htm | 10842 | 2022-02-23 16:24:11 |
| ex10_24xrrogersagreement.htm | 82087 | 2022-02-23 16:24:11 |
| FilingSummary.xml | 57651 | 2022-02-23 16:24:11 |
| Financial_Report.xlsx | 151164 | 2022-02-23 16:24:11 |
| MetaLinks.json | 1079893 | 2022-02-23 16:24:11 |
| R1.htm | 63483 | 2022-02-23 16:24:11 |
| R10.htm | 131021 | 2022-02-23 16:24:11 |
| R11.htm | 25355 | 2022-02-23 16:24:11 |
| R12.htm | 11682 | 2022-02-23 16:24:11 |
| R13.htm | 19693 | 2022-02-23 16:24:11 |
| R14.htm | 93267 | 2022-02-23 16:24:11 |
| R15.htm | 89468 | 2022-02-23 16:24:11 |
| R16.htm | 11841 | 2022-02-23 16:24:11 |
| R17.htm | 36900 | 2022-02-23 16:24:11 |
| R18.htm | 8776 | 2022-02-23 16:24:11 |
| R19.htm | 65361 | 2022-02-23 16:24:11 |
| R2.htm | 7868 | 2022-02-23 16:24:11 |
| R20.htm | 129948 | 2022-02-23 16:24:11 |
| R21.htm | 5798 | 2022-02-23 16:24:11 |
| R22.htm | 95193 | 2022-02-23 16:24:11 |
| R23.htm | 12017 | 2022-02-23 16:24:11 |
| R24.htm | 28812 | 2022-02-23 16:24:11 |
| R25.htm | 59982 | 2022-02-23 16:24:11 |
| R26.htm | 32457 | 2022-02-23 16:24:11 |
| R27.htm | 99869 | 2022-02-23 16:24:11 |
| R28.htm | 88374 | 2022-02-23 16:24:11 |
| R29.htm | 23300 | 2022-02-23 16:24:11 |
| R3.htm | 113137 | 2022-02-23 16:24:11 |
| R30.htm | 12707 | 2022-02-23 16:24:11 |
| R31.htm | 18939 | 2022-02-23 16:24:11 |
| R32.htm | 59706 | 2022-02-23 16:24:11 |
| R33.htm | 88859 | 2022-02-23 16:24:11 |
| R34.htm | 11454 | 2022-02-23 16:24:11 |
| R35.htm | 29923 | 2022-02-23 16:24:11 |
| R36.htm | 73208 | 2022-02-23 16:24:11 |
| R37.htm | 136933 | 2022-02-23 16:24:11 |
| R38.htm | 92911 | 2022-02-23 16:24:11 |
| R39.htm | 28328 | 2022-02-23 16:24:11 |
| R4.htm | 13334 | 2022-02-23 16:24:11 |
| R40.htm | 57961 | 2022-02-23 16:24:11 |
| R41.htm | 67856 | 2022-02-23 16:24:11 |
| R42.htm | 11716 | 2022-02-23 16:24:11 |
| R43.htm | 7598 | 2022-02-23 16:24:11 |
| R44.htm | 11800 | 2022-02-23 16:24:11 |
| R45.htm | 36065 | 2022-02-23 16:24:11 |
| R46.htm | 38144 | 2022-02-23 16:24:11 |
| R47.htm | 6910 | 2022-02-23 16:24:11 |
| R48.htm | 21424 | 2022-02-23 16:24:11 |
| R49.htm | 34313 | 2022-02-23 16:24:11 |
| R5.htm | 77052 | 2022-02-23 16:24:11 |
| R50.htm | 20719 | 2022-02-23 16:24:11 |
| R51.htm | 10774 | 2022-02-23 16:24:11 |
| R52.htm | 35402 | 2022-02-23 16:24:11 |
| R53.htm | 32325 | 2022-02-23 16:24:11 |
| R54.htm | 12696 | 2022-02-23 16:24:11 |
| R55.htm | 15392 | 2022-02-23 16:24:11 |
| R56.htm | 13308 | 2022-02-23 16:24:11 |
| R57.htm | 40199 | 2022-02-23 16:24:11 |
| R58.htm | 21495 | 2022-02-23 16:24:11 |
| R59.htm | 27183 | 2022-02-23 16:24:11 |
| R6.htm | 34159 | 2022-02-23 16:24:11 |
| R60.htm | 45209 | 2022-02-23 16:24:11 |
| R61.htm | 26146 | 2022-02-23 16:24:11 |
| R62.htm | 10599 | 2022-02-23 16:24:11 |
| R63.htm | 22256 | 2022-02-23 16:24:11 |
| R64.htm | 20689 | 2022-02-23 16:24:11 |
| R65.htm | 161521 | 2022-02-23 16:24:11 |
| R66.htm | 8919 | 2022-02-23 16:24:11 |
| R67.htm | 89269 | 2022-02-23 16:24:11 |
| R68.htm | 43686 | 2022-02-23 16:24:11 |
| R69.htm | 20242 | 2022-02-23 16:24:11 |
| R7.htm | 9489 | 2022-02-23 16:24:11 |
| R70.htm | 13476 | 2022-02-23 16:24:11 |
| R71.htm | 33205 | 2022-02-23 16:24:11 |
| R72.htm | 36056 | 2022-02-23 16:24:11 |
| R73.htm | 17284 | 2022-02-23 16:24:11 |
| R74.htm | 11297 | 2022-02-23 16:24:11 |
| R75.htm | 58216 | 2022-02-23 16:24:11 |
| R76.htm | 11219 | 2022-02-23 16:24:11 |
| R77.htm | 14715 | 2022-02-23 16:24:11 |
| R78.htm | 42527 | 2022-02-23 16:24:11 |
| R79.htm | 15092 | 2022-02-23 16:24:11 |
| R8.htm | 73447 | 2022-02-23 16:24:11 |
| R80.htm | 19085 | 2022-02-23 16:24:11 |
| R81.htm | 25191 | 2022-02-23 16:24:11 |
| R82.htm | 31103 | 2022-02-23 16:24:11 |
| R83.htm | 57764 | 2022-02-23 16:24:11 |
| R84.htm | 33738 | 2022-02-23 16:24:11 |
| R85.htm | 14174 | 2022-02-23 16:24:11 |
| R86.htm | 48367 | 2022-02-23 16:24:11 |
| R87.htm | 20025 | 2022-02-23 16:24:11 |
| R88.htm | 17056 | 2022-02-23 16:24:11 |
| R89.htm | 13412 | 2022-02-23 16:24:11 |
| R9.htm | 103498 | 2022-02-23 16:24:11 |
| R90.htm | 12739 | 2022-02-23 16:24:11 |
| R91.htm | 31073 | 2022-02-23 16:24:11 |
| R92.htm | 20737 | 2022-02-23 16:24:11 |
| R93.htm | 19084 | 2022-02-23 16:24:11 |
| R9999.htm | 21641 | 2022-02-23 16:24:11 |
| report.css | 2768 | 2022-02-23 16:24:11 |
| Show.js | 1086 | 2022-02-23 16:24:11 |