Parent Directory| Name | Size | Last Modified |
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| 0001564590-22-017466-index.html | 2022-05-03 16:30:32 | |
| 0001564590-22-017466.txt | 2022-05-03 16:30:32 | |
 0001564590-22-017466-xbrl.zip | 84734 | 2022-05-03 16:30:32 |
| FilingSummary.xml | 1749 | 2022-05-03 16:30:32 |
| Financial_Report.xlsx | 5667 | 2022-05-03 16:30:32 |
| frst-20220428.xsd | 5693 | 2022-05-03 16:30:32 |
| frst-20220428_lab.xml | 18670 | 2022-05-03 16:30:32 |
| frst-20220428_pre.xml | 11129 | 2022-05-03 16:30:32 |
| frst-8k_20220428.htm | 42396 | 2022-05-03 16:30:32 |
| frst-8k_20220428_htm.xml | 3392 | 2022-05-03 16:30:32 |
| frst-ex11_9.htm | 606604 | 2022-05-03 16:30:32 |
| MetaLinks.json | 18567 | 2022-05-03 16:30:32 |
| R1.htm | 38689 | 2022-05-03 16:30:32 |
| report.css | 2767 | 2022-05-03 16:30:32 |
| Show.js | 1084 | 2022-05-03 16:30:32 |