Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000785557-25-000159-index-headers.html | 2025-12-10 16:29:29 | |
| 0000785557-25-000159-index.html | 2025-12-10 16:29:29 | |
| 0000785557-25-000159.txt | 2025-12-10 16:29:29 | |
 0000785557-25-000159-xbrl.zip | 258988 | 2025-12-10 16:29:29 |
| dlhc-20250930.htm | 1289595 | 2025-12-10 16:29:29 |
| dlhc-20250930.xsd | 49150 | 2025-12-10 16:29:29 |
| dlhc-20250930_cal.xml | 115012 | 2025-12-10 16:29:29 |
| dlhc-20250930_def.xml | 148084 | 2025-12-10 16:29:29 |
| dlhc-20250930_htm.xml | 1090095 | 2025-12-10 16:29:29 |
| dlhc-20250930_lab.xml | 655472 | 2025-12-10 16:29:29 |
| dlhc-20250930_pre.xml | 458637 | 2025-12-10 16:29:29 |
| ex21.htm | 5540 | 2025-12-10 16:29:29 |
| ex231.htm | 2506 | 2025-12-10 16:29:29 |
| ex311certificate1.htm | 22894 | 2025-12-10 16:29:29 |
| ex312certificate1.htm | 22876 | 2025-12-10 16:29:29 |
| ex321certificate1.htm | 10300 | 2025-12-10 16:29:29 |
| FilingSummary.xml | 41937 | 2025-12-10 16:29:29 |
| MetaLinks.json | 945142 | 2025-12-10 16:29:29 |
| R1.htm | 68092 | 2025-12-10 16:29:29 |
| R10.htm | 15899 | 2025-12-10 16:29:29 |
| R11.htm | 36070 | 2025-12-10 16:29:29 |
| R12.htm | 37566 | 2025-12-10 16:29:29 |
| R13.htm | 96469 | 2025-12-10 16:29:29 |
| R14.htm | 28372 | 2025-12-10 16:29:29 |
| R15.htm | 66734 | 2025-12-10 16:29:29 |
| R16.htm | 17867 | 2025-12-10 16:29:29 |
| R17.htm | 27176 | 2025-12-10 16:29:29 |
| R18.htm | 8071 | 2025-12-10 16:29:29 |
| R19.htm | 48284 | 2025-12-10 16:29:29 |
| R2.htm | 7811 | 2025-12-10 16:29:29 |
| R20.htm | 66539 | 2025-12-10 16:29:29 |
| R21.htm | 8501 | 2025-12-10 16:29:29 |
| R22.htm | 5196 | 2025-12-10 16:29:29 |
| R23.htm | 8465 | 2025-12-10 16:29:29 |
| R24.htm | 4371 | 2025-12-10 16:29:29 |
| R25.htm | 40295 | 2025-12-10 16:29:29 |
| R26.htm | 84521 | 2025-12-10 16:29:29 |
| R27.htm | 33697 | 2025-12-10 16:29:29 |
| R28.htm | 40388 | 2025-12-10 16:29:29 |
| R29.htm | 111840 | 2025-12-10 16:29:29 |
| R3.htm | 77005 | 2025-12-10 16:29:29 |
| R30.htm | 22480 | 2025-12-10 16:29:29 |
| R31.htm | 70412 | 2025-12-10 16:29:29 |
| R32.htm | 16589 | 2025-12-10 16:29:29 |
| R33.htm | 25428 | 2025-12-10 16:29:29 |
| R34.htm | 48374 | 2025-12-10 16:29:29 |
| R35.htm | 65223 | 2025-12-10 16:29:29 |
| R36.htm | 39156 | 2025-12-10 16:29:29 |
| R37.htm | 4712 | 2025-12-10 16:29:29 |
| R38.htm | 8116 | 2025-12-10 16:29:29 |
| R39.htm | 41697 | 2025-12-10 16:29:29 |
| R4.htm | 113738 | 2025-12-10 16:29:29 |
| R40.htm | 22520 | 2025-12-10 16:29:29 |
| R41.htm | 9935 | 2025-12-10 16:29:29 |
| R42.htm | 12939 | 2025-12-10 16:29:29 |
| R43.htm | 30166 | 2025-12-10 16:29:29 |
| R44.htm | 8615 | 2025-12-10 16:29:29 |
| R45.htm | 11997 | 2025-12-10 16:29:29 |
| R46.htm | 10318 | 2025-12-10 16:29:29 |
| R47.htm | 10368 | 2025-12-10 16:29:29 |
| R48.htm | 29435 | 2025-12-10 16:29:29 |
| R49.htm | 6748 | 2025-12-10 16:29:29 |
| R5.htm | 12073 | 2025-12-10 16:29:29 |
| R50.htm | 42462 | 2025-12-10 16:29:29 |
| R51.htm | 24562 | 2025-12-10 16:29:29 |
| R52.htm | 17389 | 2025-12-10 16:29:29 |
| R53.htm | 13165 | 2025-12-10 16:29:29 |
| R54.htm | 32314 | 2025-12-10 16:29:29 |
| R55.htm | 12918 | 2025-12-10 16:29:29 |
| R56.htm | 25758 | 2025-12-10 16:29:29 |
| R57.htm | 61592 | 2025-12-10 16:29:29 |
| R58.htm | 25350 | 2025-12-10 16:29:29 |
| R59.htm | 40173 | 2025-12-10 16:29:29 |
| R6.htm | 83803 | 2025-12-10 16:29:29 |
| R60.htm | 23479 | 2025-12-10 16:29:29 |
| R61.htm | 41741 | 2025-12-10 16:29:29 |
| R62.htm | 9199 | 2025-12-10 16:29:29 |
| R63.htm | 47801 | 2025-12-10 16:29:29 |
| R64.htm | 64491 | 2025-12-10 16:29:29 |
| R65.htm | 15339 | 2025-12-10 16:29:29 |
| R66.htm | 22248 | 2025-12-10 16:29:29 |
| R67.htm | 32618 | 2025-12-10 16:29:29 |
| R68.htm | 7845 | 2025-12-10 16:29:29 |
| R69.htm | 72827 | 2025-12-10 16:29:29 |
| R7.htm | 48533 | 2025-12-10 16:29:29 |
| R70.htm | 4342 | 2025-12-10 16:29:29 |
| R8.htm | 6019 | 2025-12-10 16:29:29 |
| R9.htm | 32960 | 2025-12-10 16:29:29 |
| report.css | 2767 | 2025-12-10 16:29:29 |
| Show.js | 1085 | 2025-12-10 16:29:29 |