| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 07/27/18 | 8-K | Current report filing | 
       
   | 
  3 | |
| 07/27/18 | 8-K | Current report filing | 
       
   | 
  9 | |
| 07/27/18 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                                | 
  35 | 
| 05/03/18 | 8-K | Current report filing | 
       
   | 
  4 | |
| 05/02/18 | 8-K | Current report filing | 
       
   | 
  4 | |
| 05/02/18 | 8-K | Current report filing | 
       
   | 
  9 | |
| 05/02/18 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                                | 
  33 | 
| 04/02/18 | DEF 14A | Definitive proxy statements | 
       
   | 
  47 | |
| 03/14/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 03/14/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | 



