| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/09/18 | Current report filing | 
       
   | 
  7 | ||
| 03/05/18 | Current report filing | 
       
   | 
  5 | ||
| 02/27/18 | Annual report pursuant to Section 13 and 15(d) | 
       
   | 
  
                  | 
  66 | |
| 02/20/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 02/20/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 02/20/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 02/20/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 02/20/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 02/20/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | ||
| 02/20/18 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

