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|---|---|---|
 0001670076-23-000033-index-headers.html | 2023-04-12 16:12:54 | |
| 0001670076-23-000033-index.html | 2023-04-12 16:12:54 | |
| 0001670076-23-000033.txt | 2023-04-12 16:12:54 | |
 0001670076-23-000033-xbrl.zip | 1604601 | 2023-04-12 16:12:54 |
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| Financial_Report.xlsx | 10932 | 2023-04-12 16:12:54 |
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| fron-20230412.xsd | 5391 | 2023-04-12 16:12:54 |
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 fron-20230412_g5.jpg | 95984 | 2023-04-12 16:12:54 |
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 fron-20230412_g7.jpg | 125683 | 2023-04-12 16:12:54 |
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| fron-20230412_htm.xml | 94663 | 2023-04-12 16:12:54 |
| fron-20230412_lab.xml | 12714 | 2023-04-12 16:12:54 |
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| R1.htm | 10852 | 2023-04-12 16:12:54 |
| R2.htm | 135378 | 2023-04-12 16:12:54 |
| report.css | 2767 | 2023-04-12 16:12:54 |
| Show.js | 1085 | 2023-04-12 16:12:54 |