| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/21/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 12/04/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 11/06/17 | 8-K | Current report filing | 
       
   | 
  35 | |
| 11/02/17 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                                | 
  53 | 
| 10/24/17 | 8-K | Current report filing | 
       
   | 
  13 | |
| 09/19/17 | 8-K | Current report filing | 
       
   | 
  5 | |
| 08/03/17 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                                | 
  52 | 
| 07/31/17 | 8-K | Current report filing | 
       
   | 
  35 | |
| 07/25/17 | 8-K | Current report filing | 
       
   | 
  13 | |
| 06/28/17 | 11-K | Annual report of employee stock purchase, savings and similar plans | 
       
   | 
  19 | 




