Parent Directory| Name | Size | Last Modified |
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| 0001628280-22-020881.txt | 2022-08-04 08:07:05 | |
 0001628280-22-020881-xbrl.zip | 29635 | 2022-08-04 08:07:05 |
| dco-20220804.htm | 42089 | 2022-08-04 08:07:05 |
| dco-20220804.xsd | 1912 | 2022-08-04 08:07:05 |
| dco-20220804_htm.xml | 11341 | 2022-08-04 08:07:05 |
| dco-20220804_lab.xml | 23832 | 2022-08-04 08:07:05 |
| dco-20220804_pre.xml | 12519 | 2022-08-04 08:07:05 |
 dcologoandaddressa05a.jpg | 16353 | 2022-08-04 08:07:05 |
| ex99_1q22022earningsrelease.htm | 399422 | 2022-08-04 08:07:05 |
| FilingSummary.xml | 1662 | 2022-08-04 08:07:05 |
| Financial_Report.xlsx | 5703 | 2022-08-04 08:07:05 |
| MetaLinks.json | 16564 | 2022-08-04 08:07:05 |
| R1.htm | 38555 | 2022-08-04 08:07:05 |
| report.css | 2767 | 2022-08-04 08:07:05 |
| Show.js | 1085 | 2022-08-04 08:07:05 |