Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000352825-21-000061-index-headers.html | 2021-10-05 08:00:38 | |
| 0000352825-21-000061-index.html | 2021-10-05 08:00:38 | |
| 0000352825-21-000061.txt | 2021-10-05 08:00:38 | |
 0000352825-21-000061-xbrl.zip | 10962 | 2021-10-05 08:00:38 |
| FilingSummary.xml | 1594 | 2021-10-05 08:00:38 |
| Financial_Report.xlsx | 5660 | 2021-10-05 08:00:38 |
| fstr-20211004.htm | 41883 | 2021-10-05 08:00:38 |
| fstr-20211004.xsd | 1902 | 2021-10-05 08:00:38 |
| fstr-20211004_htm.xml | 14583 | 2021-10-05 08:00:38 |
| fstr-20211004_lab.xml | 23832 | 2021-10-05 08:00:38 |
| fstr-20211004_pre.xml | 12508 | 2021-10-05 08:00:38 |
| MetaLinks.json | 16472 | 2021-10-05 08:00:38 |
| R1.htm | 38567 | 2021-10-05 08:00:38 |
| report.css | 2766 | 2021-10-05 08:00:38 |
| Show.js | 1084 | 2021-10-05 08:00:38 |