Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000352825-22-000046-index-headers.html | 2022-08-18 17:26:35 | |
| 0000352825-22-000046-index.html | 2022-08-18 17:26:35 | |
| 0000352825-22-000046.txt | 2022-08-18 17:26:35 | |
 0000352825-22-000046-xbrl.zip | 70189 | 2022-08-18 17:26:35 |
| ex-102vhc82022.htm | 67418 | 2022-08-18 17:26:35 |
| ex-21vhc82022.htm | 456233 | 2022-08-18 17:26:35 |
| FilingSummary.xml | 1986 | 2022-08-18 17:26:35 |
| Financial_Report.xlsx | 5685 | 2022-08-18 17:26:35 |
| fstr-20220812.htm | 56354 | 2022-08-18 17:26:35 |
| fstr-20220812.xsd | 1902 | 2022-08-18 17:26:35 |
| fstr-20220812_htm.xml | 14596 | 2022-08-18 17:26:35 |
| fstr-20220812_lab.xml | 23832 | 2022-08-18 17:26:35 |
| fstr-20220812_pre.xml | 12508 | 2022-08-18 17:26:35 |
| MetaLinks.json | 16472 | 2022-08-18 17:26:35 |
| R1.htm | 38094 | 2022-08-18 17:26:35 |
| report.css | 2767 | 2022-08-18 17:26:35 |
| Show.js | 1085 | 2022-08-18 17:26:35 |