| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/08/19 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 04/01/19 | 10-K | Form 10-K: Annual report [Section 13 and 15(d), not S-K Item 405] |
|
74 |
| 03/18/19 | NT 10-K | Form NT 10-K: Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT | 3 | |
| 03/12/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 03/08/19 | 8-K | Form 8-K: Current report | 4 | |
| 03/08/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/19 | DEF 14A | Form DEF 14A: Definitive proxy statements | 41 | |
| 02/15/19 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 8 | |
| 02/14/19 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 10 | |
| 02/14/19 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 |
