| Filings | Format | Description | Filing Date | File/Film Number | 
|---|---|---|---|---|
| 15-12B | Documents | Securities registration termination [Section 12(b)] Acc-no: 0001640334-21-002122 (34 Act) Size: 8 KB | 2021-09-08 | 001-37807 211241671 | 
| SC 13D/A | Documents | [Amend] General Statement of Acquisition of Beneficial Ownership Acc-no: 0001640334-21-000326 (34 Act) Size: 26 KB | 2021-02-11 | 005-91043 21617231 | 
| 8-K | Documents | Current report, items 1.01, 2.01, 2.05, 5.01, and 9.01 Acc-no: 0001640334-20-002005 (34 Act) Size: 160 KB | 2020-08-10 | 001-37807 201086966 | 
| 8-K | Documents | Current report, item 8.01 Acc-no: 0001640334-20-001590 (34 Act) Size: 11 KB | 2020-06-25 | 001-37807 20986919 | 
| 8-K | Documents | Current report, items 5.02 and 8.01 Acc-no: 0001640334-20-001392 (34 Act) Size: 15 KB | 2020-06-01 | 001-37807 20934798 | 
| 8-K | Documents | Current report, item 8.01 Acc-no: 0001640334-20-001254 (34 Act) Size: 20 KB | 2020-05-15 | 001-37807 20886713 | 
| NT 10-K | Documents | Notification of inability to timely file Form 10-K 405, 10-K, 10-KSB 405, 10-KSB, 10-KT, or 10-KT405 Acc-no: 0001640334-20-001242 (34 Act) Size: 20 KB | 2020-05-15 | 001-37807 20884676 | 
| 8-K | Documents | Current report, items 5.02 and 9.01 Acc-no: 0001640334-20-001200 (34 Act) Size: 57 KB | 2020-05-14 | 001-37807 20878756 | 
| 8-K/A | Documents | [Amend] Current report, item 8.01 Acc-no: 0001640334-20-000982 (34 Act) Size: 15 KB | 2020-05-01 | 001-37807 20840059 | 
| 8-K | Documents | Current report, item 7.01 Acc-no: 0001640334-20-000881 (34 Act) Size: 11 KB | 2020-04-20 | 001-37807 20801141 | 
| 8-K | Documents | Current report, items 1.01, 7.01, and 9.01 Acc-no: 0001640334-20-000687 (34 Act) Size: 1 MB | 2020-03-31 | 001-37807 20760172 | 
| 8-K | Documents | Current report, item 8.01 Acc-no: 0001640334-20-000622 (34 Act) Size: 12 KB | 2020-03-27 | 001-37807 20748598 | 
| 8-K | Documents | Current report, items 1.01, 7.01, and 9.01 Acc-no: 0001640334-20-000575 (34 Act) Size: 1 MB | 2020-03-20 | 001-37807 20732999 | 
| 8-K | Documents | Current report, items 7.01 and 9.01 Acc-no: 0001640334-20-000506 (34 Act) Size: 20 KB | 2020-03-16 | 001-37807 20715859 | 
| 8-K | Documents | Current report, items 1.01, 7.01, and 9.01 Acc-no: 0001640334-20-000501 (34 Act) Size: 1 MB | 2020-03-16 | 001-37807 20714646 | 
| 8-K | Documents | Current report, items 1.01 and 9.01 Acc-no: 0001640334-20-000468 (34 Act) Size: 1 MB | 2020-03-11 | 001-37807 20704622 | 
| 8-K | Documents | Current report, items 1.02 and 9.01 Acc-no: 0001640334-20-000447 (34 Act) Size: 37 KB | 2020-03-03 | 001-37807 20683259 | 
| SC 13D/A | Documents | [Amend] General Statement of Acquisition of Beneficial Ownership Acc-no: 0001640334-20-000190 (34 Act) Size: 25 KB | 2020-02-04 | 005-91043 20570414 | 
| 3/A | Documents | [Amend] Initial statement of beneficial ownership of securities Acc-no: 0001640334-20-000188 Size: 7 KB | 2020-02-03 | |
| SC 13D/A | Documents | [Amend] General Statement of Acquisition of Beneficial Ownership Acc-no: 0001640334-20-000117 (34 Act) Size: 25 KB | 2020-01-17 | 005-91043 20534325 |