Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001564590-21-034583-index.html | 2021-06-25 16:05:31 | |
| 0001564590-21-034583.txt | 2021-06-25 16:05:31 | |
| sf-11k_20201231.htm | 365200 | 2021-06-25 16:05:31 |
| sf-ex231_6.htm | 2213 | 2021-06-25 16:05:31 |