Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000352825-21-000005-index-headers.html | 2021-02-10 16:03:18 | |
| 0000352825-21-000005-index.html | 2021-02-10 16:03:18 | |
| 0000352825-21-000005.txt | 2021-02-10 16:03:18 | |
 0000352825-21-000005-xbrl.zip | 13776 | 2021-02-10 16:03:18 |
| FilingSummary.xml | 1677 | 2021-02-10 16:03:18 |
| Financial_Report.xlsx | 5463 | 2021-02-10 16:03:18 |
| fstr-20210210.htm | 44931 | 2021-02-10 16:03:18 |
| fstr-20210210.xsd | 2423 | 2021-02-10 16:03:18 |
| fstr-20210210_cal.xml | 710 | 2021-02-10 16:03:18 |
| fstr-20210210_def.xml | 1643 | 2021-02-10 16:03:18 |
| fstr-20210210_htm.xml | 15282 | 2021-02-10 16:03:18 |
| fstr-20210210_lab.xml | 23970 | 2021-02-10 16:03:18 |
| fstr-20210210_pre.xml | 12646 | 2021-02-10 16:03:18 |
| MetaLinks.json | 17213 | 2021-02-10 16:03:18 |
| R1.htm | 39639 | 2021-02-10 16:03:18 |
| report.css | 2767 | 2021-02-10 16:03:18 |
| Show.js | 1085 | 2021-02-10 16:03:18 |