Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001654954-21-000390-index.html | 2021-01-13 17:29:37 | |
| 0001654954-21-000390.txt | 2021-01-13 17:29:37 | |
| prkr_20210113x8k.htm | 30939 | 2021-01-13 17:29:37 |
| prkr_20210113xex101.htm | 43110 | 2021-01-13 17:29:37 |