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| 0000907254-20-000055-index.html | 2020-05-06 16:22:48 | |
| 0000907254-20-000055.txt | 2020-05-06 16:22:48 | |
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| bfs-03312020x10q.htm | 1227631 | 2020-05-06 16:22:48 |
| bfs-03312020x10q_htm.xml | 718728 | 2020-05-06 16:22:48 |
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| bfs-03312020xex32.htm | 10528 | 2020-05-06 16:22:48 |
| bfs-03312020xex99a.htm | 572343 | 2020-05-06 16:22:48 |
| bfs-20200331.xsd | 47282 | 2020-05-06 16:22:48 |
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| FilingSummary.xml | 27633 | 2020-05-06 16:22:48 |
| Financial_Report.xlsx | 57695 | 2020-05-06 16:22:48 |
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| R1.htm | 59423 | 2020-05-06 16:22:48 |
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| R9.htm | 12976 | 2020-05-06 16:22:48 |
| report.css | 2767 | 2020-05-06 16:22:48 |
| Show.js | 1085 | 2020-05-06 16:22:48 |