Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-21-007447-index-headers.html | 2021-03-31 16:06:47 | |
| 0001493152-21-007447-index.html | 2021-03-31 16:06:47 | |
| 0001493152-21-007447.txt | 2021-03-31 16:06:47 | |
 0001493152-21-007447-xbrl.zip | 209568 | 2021-03-31 16:06:47 |
| boxl-20201231.xml | 1279038 | 2021-03-31 16:06:47 |
| boxl-20201231.xsd | 81302 | 2021-03-31 16:06:47 |
| boxl-20201231_cal.xml | 90193 | 2021-03-31 16:06:47 |
| boxl-20201231_def.xml | 361998 | 2021-03-31 16:06:47 |
| boxl-20201231_lab.xml | 613853 | 2021-03-31 16:06:47 |
| boxl-20201231_pre.xml | 480555 | 2021-03-31 16:06:47 |
| ex10-67.htm | 223218 | 2021-03-31 16:06:47 |
| ex21.htm | 4786 | 2021-03-31 16:06:47 |
| ex23-1.htm | 4380 | 2021-03-31 16:06:47 |
| ex31-1.htm | 11805 | 2021-03-31 16:06:47 |
| ex31-2.htm | 11793 | 2021-03-31 16:06:47 |
| ex32-1.htm | 6923 | 2021-03-31 16:06:47 |
| ex32-2.htm | 6508 | 2021-03-31 16:06:47 |
| FilingSummary.xml | 46520 | 2021-03-31 16:06:47 |
| Financial_Report.xlsx | 137368 | 2021-03-31 16:06:47 |
| form10-k.htm | 1933603 | 2021-03-31 16:06:47 |
 org-chart.jpg | 113949 | 2021-03-31 16:06:47 |
| R1.htm | 37272 | 2021-03-31 16:06:47 |
| R10.htm | 8875 | 2021-03-31 16:06:47 |
| R11.htm | 8328 | 2021-03-31 16:06:47 |
| R12.htm | 12148 | 2021-03-31 16:06:47 |
| R13.htm | 16598 | 2021-03-31 16:06:47 |
| R14.htm | 43655 | 2021-03-31 16:06:47 |
| R15.htm | 17849 | 2021-03-31 16:06:47 |
| R16.htm | 46669 | 2021-03-31 16:06:47 |
| R17.htm | 21430 | 2021-03-31 16:06:47 |
| R18.htm | 51743 | 2021-03-31 16:06:47 |
| R19.htm | 9159 | 2021-03-31 16:06:47 |
| R2.htm | 112584 | 2021-03-31 16:06:47 |
| R20.htm | 8862 | 2021-03-31 16:06:47 |
| R21.htm | 15121 | 2021-03-31 16:06:47 |
| R22.htm | 8281 | 2021-03-31 16:06:47 |
| R23.htm | 140861 | 2021-03-31 16:06:47 |
| R24.htm | 29296 | 2021-03-31 16:06:47 |
| R25.htm | 45288 | 2021-03-31 16:06:47 |
| R26.htm | 8705 | 2021-03-31 16:06:47 |
| R27.htm | 9400 | 2021-03-31 16:06:47 |
| R28.htm | 8176 | 2021-03-31 16:06:47 |
| R29.htm | 11180 | 2021-03-31 16:06:47 |
| R3.htm | 18807 | 2021-03-31 16:06:47 |
| R30.htm | 16199 | 2021-03-31 16:06:47 |
| R31.htm | 20857 | 2021-03-31 16:06:47 |
| R32.htm | 18159 | 2021-03-31 16:06:47 |
| R33.htm | 43264 | 2021-03-31 16:06:47 |
| R34.htm | 35349 | 2021-03-31 16:06:47 |
| R35.htm | 7019 | 2021-03-31 16:06:47 |
| R36.htm | 15469 | 2021-03-31 16:06:47 |
| R37.htm | 35607 | 2021-03-31 16:06:47 |
| R38.htm | 15913 | 2021-03-31 16:06:47 |
| R39.htm | 6093 | 2021-03-31 16:06:47 |
| R4.htm | 84224 | 2021-03-31 16:06:47 |
| R40.htm | 17012 | 2021-03-31 16:06:47 |
| R41.htm | 60558 | 2021-03-31 16:06:47 |
| R42.htm | 64165 | 2021-03-31 16:06:47 |
| R43.htm | 7837 | 2021-03-31 16:06:47 |
| R44.htm | 18455 | 2021-03-31 16:06:47 |
| R45.htm | 4417 | 2021-03-31 16:06:47 |
| R46.htm | 11315 | 2021-03-31 16:06:47 |
| R47.htm | 4411 | 2021-03-31 16:06:47 |
| R48.htm | 11029 | 2021-03-31 16:06:47 |
| R49.htm | 8752 | 2021-03-31 16:06:47 |
| R5.htm | 83104 | 2021-03-31 16:06:47 |
| R50.htm | 4768 | 2021-03-31 16:06:47 |
| R51.htm | 17264 | 2021-03-31 16:06:47 |
| R52.htm | 5317 | 2021-03-31 16:06:47 |
| R53.htm | 30940 | 2021-03-31 16:06:47 |
| R54.htm | 222954 | 2021-03-31 16:06:47 |
| R55.htm | 30509 | 2021-03-31 16:06:47 |
| R56.htm | 17177 | 2021-03-31 16:06:47 |
| R57.htm | 19352 | 2021-03-31 16:06:47 |
| R58.htm | 8032 | 2021-03-31 16:06:47 |
| R59.htm | 21041 | 2021-03-31 16:06:47 |
| R6.htm | 122109 | 2021-03-31 16:06:47 |
| R60.htm | 10892 | 2021-03-31 16:06:47 |
| R61.htm | 27845 | 2021-03-31 16:06:47 |
| R62.htm | 24040 | 2021-03-31 16:06:47 |
| R63.htm | 37529 | 2021-03-31 16:06:47 |
| R64.htm | 190147 | 2021-03-31 16:06:47 |
| R65.htm | 235961 | 2021-03-31 16:06:47 |
| R66.htm | 32033 | 2021-03-31 16:06:47 |
| R67.htm | 16591 | 2021-03-31 16:06:47 |
| R68.htm | 26632 | 2021-03-31 16:06:47 |
| R69.htm | 9514 | 2021-03-31 16:06:47 |
| R7.htm | 87427 | 2021-03-31 16:06:47 |
| R70.htm | 20950 | 2021-03-31 16:06:47 |
| R71.htm | 4887 | 2021-03-31 16:06:47 |
| R72.htm | 10597 | 2021-03-31 16:06:47 |
| R73.htm | 5249 | 2021-03-31 16:06:47 |
| R74.htm | 25077 | 2021-03-31 16:06:47 |
| R75.htm | 71550 | 2021-03-31 16:06:47 |
| R8.htm | 48487 | 2021-03-31 16:06:47 |
| R9.htm | 9124 | 2021-03-31 16:06:47 |
| report.css | 2767 | 2021-03-31 16:06:47 |
| Show.js | 1085 | 2021-03-31 16:06:47 |