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| 0001174947-19-000791-index.html | 2019-06-07 10:45:48 | |
| 0001174947-19-000791.txt | 2019-06-07 10:45:48 | |
 0001174947-19-000791-xbrl.zip | 95618 | 2019-06-07 10:45:48 |
| e5245-10q.htm | 828524 | 2019-06-07 10:45:48 |
| e5245ex31-1.htm | 7479 | 2019-06-07 10:45:48 |
| e5245ex31-2.htm | 8416 | 2019-06-07 10:45:48 |
| e5245ex32-1.htm | 4461 | 2019-06-07 10:45:48 |
| e5245ex32-2.htm | 4462 | 2019-06-07 10:45:48 |
| FilingSummary.xml | 23025 | 2019-06-07 10:45:48 |
| Financial_Report.xlsx | 53117 | 2019-06-07 10:45:48 |
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| frevsob-20190430.xsd | 38216 | 2019-06-07 10:45:48 |
| frevsob-20190430_cal.xml | 56159 | 2019-06-07 10:45:48 |
| frevsob-20190430_def.xml | 148571 | 2019-06-07 10:45:48 |
| frevsob-20190430_lab.xml | 324692 | 2019-06-07 10:45:48 |
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| R9.htm | 12776 | 2019-06-07 10:45:48 |
| report.css | 2767 | 2019-06-07 10:45:48 |
| Show.js | 1085 | 2019-06-07 10:45:48 |