Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001683168-26-003166-index-headers.html | 2026-04-23 17:20:41 | |
| 0001683168-26-003166-index.html | 2026-04-23 17:20:41 | |
| 0001683168-26-003166.txt | 2026-04-23 17:20:41 | |
 0001683168-26-003166-xbrl.zip | 606433 | 2026-04-23 17:20:41 |
| fcuv-20251231.xsd | 47846 | 2026-04-23 17:20:41 |
| fcuv-20251231_cal.xml | 69141 | 2026-04-23 17:20:41 |
| fcuv-20251231_def.xml | 224727 | 2026-04-23 17:20:41 |
| fcuv-20251231_lab.xml | 454028 | 2026-04-23 17:20:41 |
| fcuv-20251231_pre.xml | 386345 | 2026-04-23 17:20:41 |
 fig1.jpg | 16571 | 2026-04-23 17:20:41 |
 fig10.jpg | 36075 | 2026-04-23 17:20:41 |
 fig11.jpg | 6004 | 2026-04-23 17:20:41 |
 fig12.jpg | 10958 | 2026-04-23 17:20:41 |
 fig13.jpg | 18321 | 2026-04-23 17:20:41 |
 fig14.jpg | 19891 | 2026-04-23 17:20:41 |
 fig4.jpg | 65715 | 2026-04-23 17:20:41 |
 fig5.jpg | 11210 | 2026-04-23 17:20:41 |
 fig6.jpg | 8704 | 2026-04-23 17:20:41 |
 fig7.jpg | 10049 | 2026-04-23 17:20:41 |
 fig8.jpg | 12653 | 2026-04-23 17:20:41 |
 fig9.jpg | 15157 | 2026-04-23 17:20:41 |
| FilingSummary.xml | 37532 | 2026-04-23 17:20:41 |
| focus_ex0501.htm | 14843 | 2026-04-23 17:20:41 |
| focus_ex1026.htm | 343552 | 2026-04-23 17:20:41 |
| focus_ex1027.htm | 128116 | 2026-04-23 17:20:41 |
| focus_ex1028.htm | 50369 | 2026-04-23 17:20:41 |
| focus_ex1029.htm | 16714 | 2026-04-23 17:20:41 |
| focus_ex1030.htm | 29291 | 2026-04-23 17:20:41 |
| focus_ex107.htm | 13149 | 2026-04-23 17:20:41 |
| focus_ex107_htm.xml | 4305 | 2026-04-23 17:20:41 |
| focus_ex2101.htm | 3951 | 2026-04-23 17:20:41 |
| focus_ex2301.htm | 2363 | 2026-04-23 17:20:41 |
| focus_ex9908.htm | 2124 | 2026-04-23 17:20:41 |
| focus_ex9909.htm | 2266 | 2026-04-23 17:20:41 |
| focus_ex9910.htm | 2199 | 2026-04-23 17:20:41 |
| focus_s1.htm | 1497134 | 2026-04-23 17:20:41 |
| focus_s1_htm.xml | 925177 | 2026-04-23 17:20:41 |
 image_001.jpg | 157730 | 2026-04-23 17:20:41 |
 image_003.jpg | 156657 | 2026-04-23 17:20:41 |
 image_005.jpg | 162591 | 2026-04-23 17:20:41 |
 image_015.jpg | 53363 | 2026-04-23 17:20:41 |
 image_019.jpg | 8073 | 2026-04-23 17:20:41 |
 logo.jpg | 7323 | 2026-04-23 17:20:41 |
| MetaLinks.json | 1010431 | 2026-04-23 17:20:41 |
| R1.htm | 27933 | 2026-04-23 17:20:41 |
| R10.htm | 17042 | 2026-04-23 17:20:41 |
| R11.htm | 8074 | 2026-04-23 17:20:41 |
| R12.htm | 22067 | 2026-04-23 17:20:41 |
| R13.htm | 16617 | 2026-04-23 17:20:41 |
| R14.htm | 19814 | 2026-04-23 17:20:41 |
| R15.htm | 64680 | 2026-04-23 17:20:41 |
| R16.htm | 14476 | 2026-04-23 17:20:41 |
| R17.htm | 45833 | 2026-04-23 17:20:41 |
| R18.htm | 6806 | 2026-04-23 17:20:41 |
| R19.htm | 33905 | 2026-04-23 17:20:41 |
| R2.htm | 133427 | 2026-04-23 17:20:41 |
| R20.htm | 14855 | 2026-04-23 17:20:41 |
| R21.htm | 179780 | 2026-04-23 17:20:41 |
| R22.htm | 65295 | 2026-04-23 17:20:41 |
| R23.htm | 7620 | 2026-04-23 17:20:41 |
| R24.htm | 18285 | 2026-04-23 17:20:41 |
| R25.htm | 9268 | 2026-04-23 17:20:41 |
| R26.htm | 18069 | 2026-04-23 17:20:41 |
| R27.htm | 28178 | 2026-04-23 17:20:41 |
| R28.htm | 15044 | 2026-04-23 17:20:41 |
| R29.htm | 38419 | 2026-04-23 17:20:41 |
| R3.htm | 39207 | 2026-04-23 17:20:41 |
| R30.htm | 26233 | 2026-04-23 17:20:41 |
| R31.htm | 4501 | 2026-04-23 17:20:41 |
| R32.htm | 40481 | 2026-04-23 17:20:41 |
| R33.htm | 17602 | 2026-04-23 17:20:41 |
| R34.htm | 17937 | 2026-04-23 17:20:41 |
| R35.htm | 7768 | 2026-04-23 17:20:41 |
| R36.htm | 9399 | 2026-04-23 17:20:41 |
| R37.htm | 46322 | 2026-04-23 17:20:41 |
| R38.htm | 9598 | 2026-04-23 17:20:41 |
| R39.htm | 24851 | 2026-04-23 17:20:41 |
| R4.htm | 164475 | 2026-04-23 17:20:41 |
| R40.htm | 27581 | 2026-04-23 17:20:41 |
| R41.htm | 26358 | 2026-04-23 17:20:41 |
| R42.htm | 30031 | 2026-04-23 17:20:41 |
| R43.htm | 43707 | 2026-04-23 17:20:41 |
| R44.htm | 8340 | 2026-04-23 17:20:41 |
| R45.htm | 6080 | 2026-04-23 17:20:41 |
| R46.htm | 11627 | 2026-04-23 17:20:41 |
| R47.htm | 8396 | 2026-04-23 17:20:41 |
| R48.htm | 20917 | 2026-04-23 17:20:41 |
| R49.htm | 52936 | 2026-04-23 17:20:41 |
| R5.htm | 119916 | 2026-04-23 17:20:41 |
| R50.htm | 167617 | 2026-04-23 17:20:41 |
| R51.htm | 29279 | 2026-04-23 17:20:41 |
| R52.htm | 7367 | 2026-04-23 17:20:41 |
| R53.htm | 93389 | 2026-04-23 17:20:41 |
| R54.htm | 7517 | 2026-04-23 17:20:41 |
| R55.htm | 10671 | 2026-04-23 17:20:41 |
| R56.htm | 46838 | 2026-04-23 17:20:41 |
| R57.htm | 12010 | 2026-04-23 17:20:41 |
| R58.htm | 23165 | 2026-04-23 17:20:41 |
| R59.htm | 13387 | 2026-04-23 17:20:41 |
| R6.htm | 119789 | 2026-04-23 17:20:41 |
| R60.htm | 19264 | 2026-04-23 17:20:41 |
| R61.htm | 7912 | 2026-04-23 17:20:41 |
| R7.htm | 18811 | 2026-04-23 17:20:41 |
| R8.htm | 8229 | 2026-04-23 17:20:41 |
| R9.htm | 107969 | 2026-04-23 17:20:41 |
| report.css | 2768 | 2026-04-23 17:20:41 |
| Show.js | 1086 | 2026-04-23 17:20:41 |
 weinberglogo.jpg | 52360 | 2026-04-23 17:20:41 |