Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001683168-23-001715-index-headers.html | 2023-03-24 09:09:46 | |
| 0001683168-23-001715-index.html | 2023-03-24 09:09:46 | |
| 0001683168-23-001715.txt | 2023-03-24 09:09:46 | |
 0001683168-23-001715-xbrl.zip | 457536 | 2023-03-24 09:09:46 |
| bign-20230320.xsd | 2935 | 2023-03-24 09:09:46 |
| bign-20230320_lab.xml | 34240 | 2023-03-24 09:09:46 |
| bign-20230320_pre.xml | 22343 | 2023-03-24 09:09:46 |
| FilingSummary.xml | 1953 | 2023-03-24 09:09:46 |
| Financial_Report.xlsx | 5702 | 2023-03-24 09:09:46 |
 image_001.jpg | 147635 | 2023-03-24 09:09:46 |
 image_002.jpg | 58116 | 2023-03-24 09:09:46 |
 image_003.jpg | 86163 | 2023-03-24 09:09:46 |
 image_004.jpg | 41306 | 2023-03-24 09:09:46 |
 image_005.jpg | 30803 | 2023-03-24 09:09:46 |
 image_006.jpg | 12094 | 2023-03-24 09:09:46 |
| MetaLinks.json | 38754 | 2023-03-24 09:09:46 |
| R1.htm | 38093 | 2023-03-24 09:09:46 |
| report.css | 2767 | 2023-03-24 09:09:46 |
| Show.js | 1085 | 2023-03-24 09:09:46 |
| tancheng_ex0201.htm | 23989 | 2023-03-24 09:09:46 |
| tancheng_ex1401.htm | 34529 | 2023-03-24 09:09:46 |
| tancheng_ex2101.htm | 4568 | 2023-03-24 09:09:46 |
| tancheng_ex9901.htm | 156343 | 2023-03-24 09:09:46 |
| tancheng_ex9902.htm | 76431 | 2023-03-24 09:09:46 |
| tancheng_i8k.htm | 452031 | 2023-03-24 09:09:46 |
| tancheng_i8k_htm.xml | 3516 | 2023-03-24 09:09:46 |