Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000352825-23-000065-index-headers.html | 2023-05-26 16:39:41 | |
| 0000352825-23-000065-index.html | 2023-05-26 16:39:41 | |
| 0000352825-23-000065.txt | 2023-05-26 16:39:41 | |
 0000352825-23-000065-xbrl.zip | 12193 | 2023-05-26 16:39:41 |
| FilingSummary.xml | 1913 | 2023-05-26 16:39:41 |
| Financial_Report.xlsx | 5683 | 2023-05-26 16:39:41 |
| fstr-20230525.htm | 67844 | 2023-05-26 16:39:41 |
| fstr-20230525.xsd | 1902 | 2023-05-26 16:39:41 |
| fstr-20230525_htm.xml | 14632 | 2023-05-26 16:39:41 |
| fstr-20230525_lab.xml | 23832 | 2023-05-26 16:39:41 |
| fstr-20230525_pre.xml | 12508 | 2023-05-26 16:39:41 |
| MetaLinks.json | 17002 | 2023-05-26 16:39:41 |
| R1.htm | 38082 | 2023-05-26 16:39:41 |
| report.css | 2766 | 2023-05-26 16:39:41 |
| Show.js | 1084 | 2023-05-26 16:39:41 |