Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000930420-21-000154-index-headers.html | 2021-05-05 16:09:29 | |
| 0000930420-21-000154-index.html | 2021-05-05 16:09:29 | |
| 0000930420-21-000154.txt | 2021-05-05 16:09:29 | |
 0000930420-21-000154-xbrl.zip | 189570 | 2021-05-05 16:09:29 |
| exhibit102kforcerestrict.htm | 13522 | 2021-05-05 16:09:29 |
 exhibit102kforcerestrict001.jpg | 262946 | 2021-05-05 16:09:29 |
 exhibit102kforcerestrict002.jpg | 353214 | 2021-05-05 16:09:29 |
 exhibit102kforcerestrict003.jpg | 67881 | 2021-05-05 16:09:29 |
 exhibit102kforcerestrict004.jpg | 188826 | 2021-05-05 16:09:29 |
 exhibit102kforcerestrict005.jpg | 69569 | 2021-05-05 16:09:29 |
| exhibit311q12021.htm | 8105 | 2021-05-05 16:09:29 |
| exhibit312q12021.htm | 8115 | 2021-05-05 16:09:29 |
| exhibit321q12021.htm | 4590 | 2021-05-05 16:09:29 |
| exhibit322q12021.htm | 4611 | 2021-05-05 16:09:29 |
| FilingSummary.xml | 29329 | 2021-05-05 16:09:29 |
| Financial_Report.xlsx | 61570 | 2021-05-05 16:09:29 |
| kfrc-20210331.htm | 1026919 | 2021-05-05 16:09:29 |
| kfrc-20210331.xsd | 29811 | 2021-05-05 16:09:29 |
| kfrc-20210331_cal.xml | 65642 | 2021-05-05 16:09:29 |
| kfrc-20210331_def.xml | 151446 | 2021-05-05 16:09:29 |
 kfrc-20210331_g1.jpg | 11112 | 2021-05-05 16:09:29 |
| kfrc-20210331_htm.xml | 582676 | 2021-05-05 16:09:29 |
| kfrc-20210331_lab.xml | 417562 | 2021-05-05 16:09:29 |
| kfrc-20210331_pre.xml | 274212 | 2021-05-05 16:09:29 |
| MetaLinks.json | 481400 | 2021-05-05 16:09:29 |
| R1.htm | 52188 | 2021-05-05 16:09:29 |
| R10.htm | 24558 | 2021-05-05 16:09:29 |
| R11.htm | 12055 | 2021-05-05 16:09:29 |
| R12.htm | 14475 | 2021-05-05 16:09:29 |
| R13.htm | 16597 | 2021-05-05 16:09:29 |
| R14.htm | 13288 | 2021-05-05 16:09:29 |
| R15.htm | 14303 | 2021-05-05 16:09:29 |
| R16.htm | 14274 | 2021-05-05 16:09:29 |
| R17.htm | 13949 | 2021-05-05 16:09:29 |
| R18.htm | 17711 | 2021-05-05 16:09:29 |
| R19.htm | 13986 | 2021-05-05 16:09:29 |
| R2.htm | 65912 | 2021-05-05 16:09:29 |
| R20.htm | 7364 | 2021-05-05 16:09:29 |
| R21.htm | 19972 | 2021-05-05 16:09:29 |
| R22.htm | 25131 | 2021-05-05 16:09:29 |
| R23.htm | 21754 | 2021-05-05 16:09:29 |
| R24.htm | 8327 | 2021-05-05 16:09:29 |
| R25.htm | 14714 | 2021-05-05 16:09:29 |
| R26.htm | 16093 | 2021-05-05 16:09:29 |
| R27.htm | 13021 | 2021-05-05 16:09:29 |
| R28.htm | 11940 | 2021-05-05 16:09:29 |
| R29.htm | 12073 | 2021-05-05 16:09:29 |
| R3.htm | 86025 | 2021-05-05 16:09:29 |
| R30.htm | 12058 | 2021-05-05 16:09:29 |
| R31.htm | 16141 | 2021-05-05 16:09:29 |
| R32.htm | 11316 | 2021-05-05 16:09:29 |
| R33.htm | 23525 | 2021-05-05 16:09:29 |
| R34.htm | 20226 | 2021-05-05 16:09:29 |
| R35.htm | 11996 | 2021-05-05 16:09:29 |
| R36.htm | 27912 | 2021-05-05 16:09:29 |
| R37.htm | 22984 | 2021-05-05 16:09:29 |
| R38.htm | 6677 | 2021-05-05 16:09:29 |
| R39.htm | 20975 | 2021-05-05 16:09:29 |
| R4.htm | 21690 | 2021-05-05 16:09:29 |
| R40.htm | 11692 | 2021-05-05 16:09:29 |
| R41.htm | 13041 | 2021-05-05 16:09:29 |
| R42.htm | 29109 | 2021-05-05 16:09:29 |
| R43.htm | 23490 | 2021-05-05 16:09:29 |
| R44.htm | 15562 | 2021-05-05 16:09:29 |
| R45.htm | 13006 | 2021-05-05 16:09:29 |
| R46.htm | 14344 | 2021-05-05 16:09:29 |
| R47.htm | 23017 | 2021-05-05 16:09:29 |
| R48.htm | 25125 | 2021-05-05 16:09:29 |
| R5.htm | 59917 | 2021-05-05 16:09:29 |
| R6.htm | 8999 | 2021-05-05 16:09:29 |
| R7.htm | 87375 | 2021-05-05 16:09:29 |
| R8.htm | 13185 | 2021-05-05 16:09:29 |
| R9.htm | 28704 | 2021-05-05 16:09:29 |
| report.css | 2767 | 2021-05-05 16:09:29 |
| Show.js | 1085 | 2021-05-05 16:09:29 |