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| Date | Form | Description | XBRL | Pages | 
|---|---|---|---|---|
| 03/20/19 | 8-K | Form 8-K: Current report filing | 9 | |
| 10/05/18 | 8-K | Form 8-K: Current report filing | 18 | |
| 09/04/18 | 8-K | Form 8-K: Current report filing | 3 | |
| 08/31/18 | 8-K | Form 8-K: Current report filing | 4 | |
| 06/05/18 | 8-K | Form 8-K: Current report filing | 378 | |
| 05/02/18 | 8-K | Form 8-K: Current report filing | 9 | |
| 04/20/18 | 8-K | Form 8-K: Current report filing | 5 | |
| 11/14/17 | 8-K | Form 8-K: Current report filing | 143 | |
| 10/06/17 | 8-K | Form 8-K: Current report filing | 12 | |
| 07/21/17 | 8-K | Form 8-K: Current report filing | 3 |