| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/18/18 | 8-K | Current report filing | 
       
   | 
  3 | |
| 12/27/17 | 8-K | Current report filing | 
       
   | 
  141 | |
| 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 | 
       
   | 
  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 | 
       
   | 
  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 | 
       
   | 
  1 | 

