| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 07/03/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 07/03/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 07/03/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 07/03/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 06/12/18 | 8-K | Current report filing | 
       
   | 
  2 | |
| 05/07/18 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                                            | 
  37 | 
| 05/07/18 | 8-K | Current report filing | 
       
   | 
  10 | |
| 04/04/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/04/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/04/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 





