Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000352825-20-000050-index-headers.html | 2020-09-09 12:51:42 | |
| 0000352825-20-000050-index.html | 2020-09-09 12:51:42 | |
| 0000352825-20-000050.txt | 2020-09-09 12:51:42 | |
 0000352825-20-000050-xbrl.zip | 19724 | 2020-09-09 12:51:42 |
| ex-9918xk92020.htm | 41760 | 2020-09-09 12:51:42 |
| FilingSummary.xml | 1713 | 2020-09-09 12:51:42 |
| Financial_Report.xlsx | 5439 | 2020-09-09 12:51:42 |
| fstr-20200909.htm | 59450 | 2020-09-09 12:51:42 |
| fstr-20200909.xsd | 2423 | 2020-09-09 12:51:42 |
| fstr-20200909_cal.xml | 710 | 2020-09-09 12:51:42 |
| fstr-20200909_def.xml | 1643 | 2020-09-09 12:51:42 |
| fstr-20200909_htm.xml | 15818 | 2020-09-09 12:51:42 |
| fstr-20200909_lab.xml | 23970 | 2020-09-09 12:51:42 |
| fstr-20200909_pre.xml | 12646 | 2020-09-09 12:51:42 |
 lbflogo1.jpg | 587126 | 2020-09-09 12:51:42 |
| MetaLinks.json | 17213 | 2020-09-09 12:51:42 |
| R1.htm | 38607 | 2020-09-09 12:51:42 |
| report.css | 2767 | 2020-09-09 12:51:42 |
| Show.js | 1085 | 2020-09-09 12:51:42 |