Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000768835-20-000057-index-headers.html | 2020-04-09 06:03:54 | |
| 0000768835-20-000057-index.html | 2020-04-09 06:03:54 | |
| 0000768835-20-000057.txt | 2020-04-09 06:03:54 | |
 0000768835-20-000057-xbrl.zip | 20774 | 2020-04-09 06:03:54 |
| big-20200406.xsd | 4679 | 2020-04-09 06:03:54 |
| big-20200406_cal.xml | 629 | 2020-04-09 06:03:54 |
| big-20200406_def.xml | 14110 | 2020-04-09 06:03:54 |
| big-20200406_lab.xml | 30534 | 2020-04-09 06:03:54 |
| big-20200406_pre.xml | 15874 | 2020-04-09 06:03:54 |
| big-8xkxdcsalesleaseba.htm | 55265 | 2020-04-09 06:03:54 |
| big-8xkxdcsalesleaseba_htm.xml | 4484 | 2020-04-09 06:03:54 |
| exhibit991-pressreleasedcs.htm | 17279 | 2020-04-09 06:03:54 |
| FilingSummary.xml | 1772 | 2020-04-09 06:03:54 |
| Financial_Report.xlsx | 5776 | 2020-04-09 06:03:54 |
 logoq219a021.jpg | 2935 | 2020-04-09 06:03:54 |
| MetaLinks.json | 21006 | 2020-04-09 06:03:54 |
| R1.htm | 38818 | 2020-04-09 06:03:54 |
| report.css | 2766 | 2020-04-09 06:03:54 |
| Show.js | 1085 | 2020-04-09 06:03:54 |