Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000352825-22-000012-index-headers.html | 2022-05-10 08:04:03 | |
| 0000352825-22-000012-index.html | 2022-05-10 08:04:03 | |
| 0000352825-22-000012.txt | 2022-05-10 08:04:03 | |
 0000352825-22-000012-xbrl.zip | 26732 | 2022-05-10 08:04:03 |
| ex-991q12022.htm | 227717 | 2022-05-10 08:04:03 |
| FilingSummary.xml | 1639 | 2022-05-10 08:04:03 |
| Financial_Report.xlsx | 5658 | 2022-05-10 08:04:03 |
| fstr-20220510.htm | 42439 | 2022-05-10 08:04:03 |
| fstr-20220510.xsd | 1902 | 2022-05-10 08:04:03 |
| fstr-20220510_htm.xml | 15036 | 2022-05-10 08:04:03 |
| fstr-20220510_lab.xml | 23832 | 2022-05-10 08:04:03 |
| fstr-20220510_pre.xml | 12508 | 2022-05-10 08:04:03 |
 lbflogo.jpg | 587126 | 2022-05-10 08:04:03 |
| MetaLinks.json | 16472 | 2022-05-10 08:04:03 |
| R1.htm | 38696 | 2022-05-10 08:04:03 |
| report.css | 2767 | 2022-05-10 08:04:03 |
| Show.js | 1085 | 2022-05-10 08:04:03 |