| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/26/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | |
| 12/26/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 12/26/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | |
| 12/26/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  1 | |
| 12/26/17 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | |
| 12/14/17 | CT ORDER | Confidential treatment order | 
       
   | 
  1 | |
| 12/05/17 | 8-K | Current report filing | 
       
   | 
  4 | |
| 11/28/17 | DEF 14A | Definitive proxy statements | 
       
   | 
  102 | |
| 11/21/17 | 8-K | Current report filing | 
       
   | 
  5 | |
| 11/17/17 | 10-K | Annual report pursuant to Section 13 and 15(d) | 
       
   | 
  
                                            | 
  409 | 




