Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001477932-21-005688-index-headers.html | 2021-08-18 12:19:16 | |
| 0001477932-21-005688-index.html | 2021-08-18 12:19:16 | |
| 0001477932-21-005688.txt | 2021-08-18 12:19:16 | |
 0001477932-21-005688-xbrl.zip | 86094 | 2021-08-18 12:19:16 |
| btbd-20210704.xsd | 20896 | 2021-08-18 12:19:16 |
| btbd-20210704_cal.xml | 34851 | 2021-08-18 12:19:16 |
| btbd-20210704_def.xml | 32991 | 2021-08-18 12:19:16 |
| btbd-20210704_lab.xml | 144851 | 2021-08-18 12:19:16 |
| btbd-20210704_pre.xml | 110107 | 2021-08-18 12:19:16 |
| btbd_10q.htm | 484348 | 2021-08-18 12:19:16 |
 btbd_10qimg1.jpg | 6451 | 2021-08-18 12:19:16 |
| btbd_10q_htm.xml | 218549 | 2021-08-18 12:19:16 |
| btbd_ex311.htm | 7549 | 2021-08-18 12:19:16 |
| btbd_ex312.htm | 7581 | 2021-08-18 12:19:16 |
| btbd_ex321.htm | 3567 | 2021-08-18 12:19:16 |
| btbd_ex322.htm | 3394 | 2021-08-18 12:19:16 |
| FilingSummary.xml | 13673 | 2021-08-18 12:19:16 |
| Financial_Report.xlsx | 35918 | 2021-08-18 12:19:16 |
| MetaLinks.json | 241326 | 2021-08-18 12:19:16 |
| R1.htm | 52339 | 2021-08-18 12:19:16 |
| R10.htm | 22717 | 2021-08-18 12:19:16 |
| R11.htm | 7671 | 2021-08-18 12:19:16 |
| R12.htm | 5511 | 2021-08-18 12:19:16 |
| R13.htm | 51768 | 2021-08-18 12:19:16 |
| R14.htm | 15200 | 2021-08-18 12:19:16 |
| R15.htm | 15495 | 2021-08-18 12:19:16 |
| R16.htm | 22434 | 2021-08-18 12:19:16 |
| R17.htm | 26716 | 2021-08-18 12:19:16 |
| R18.htm | 17740 | 2021-08-18 12:19:16 |
| R19.htm | 4735 | 2021-08-18 12:19:16 |
| R2.htm | 73786 | 2021-08-18 12:19:16 |
| R20.htm | 19518 | 2021-08-18 12:19:16 |
| R21.htm | 17808 | 2021-08-18 12:19:16 |
| R22.htm | 17690 | 2021-08-18 12:19:16 |
| R3.htm | 14529 | 2021-08-18 12:19:16 |
| R4.htm | 61672 | 2021-08-18 12:19:16 |
| R5.htm | 22683 | 2021-08-18 12:19:16 |
| R6.htm | 70540 | 2021-08-18 12:19:16 |
| R7.htm | 20717 | 2021-08-18 12:19:16 |
| R8.htm | 15885 | 2021-08-18 12:19:16 |
| R9.htm | 16340 | 2021-08-18 12:19:16 |
| report.css | 2767 | 2021-08-18 12:19:16 |
| Show.js | 1085 | 2021-08-18 12:19:16 |