| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/22/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/19/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/08/17 | 8-K | Current report filing | 
       
   | 
  34 | |
| 05/03/17 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                                | 
  50 | 
| 04/27/17 | 8-K | Current report filing | 
       
   | 
  51 | |
| 04/24/17 | 8-K | Current report filing | 
       
   | 
  13 | |
| 03/09/17 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  2 | |
| 03/07/17 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  5 | |
| 03/07/17 | DEF 14A | Definitive proxy statements | 
       
   | 
  50 | |
| 03/02/17 | 10-K | Annual report pursuant to Section 13 and 15(d) | 
       
   | 
  
                                | 
  122 | 




