Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000352825-23-000051-index-headers.html | 2023-05-09 08:04:11 | |
| 0000352825-23-000051-index.html | 2023-05-09 08:04:11 | |
| 0000352825-23-000051.txt | 2023-05-09 08:04:11 | |
 0000352825-23-000051-xbrl.zip | 28761 | 2023-05-09 08:04:11 |
| ex-991q12023.htm | 259231 | 2023-05-09 08:04:11 |
| FilingSummary.xml | 1639 | 2023-05-09 08:04:11 |
| Financial_Report.xlsx | 5682 | 2023-05-09 08:04:11 |
| fstr-20230509.htm | 42008 | 2023-05-09 08:04:11 |
| fstr-20230509.xsd | 1902 | 2023-05-09 08:04:11 |
| fstr-20230509_htm.xml | 14631 | 2023-05-09 08:04:11 |
| fstr-20230509_lab.xml | 23832 | 2023-05-09 08:04:11 |
| fstr-20230509_pre.xml | 12508 | 2023-05-09 08:04:11 |
 lbflogo.jpg | 587126 | 2023-05-09 08:04:11 |
| MetaLinks.json | 17002 | 2023-05-09 08:04:11 |
| R1.htm | 38082 | 2023-05-09 08:04:11 |
| report.css | 2767 | 2023-05-09 08:04:11 |
| Show.js | 1085 | 2023-05-09 08:04:11 |