| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/16/19 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 01/16/19 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 12/18/18 | SC 13D/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 
       
   | 
  11 | |
| 12/12/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 12/12/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 11/19/18 | 8-K | Current report filing | 
       
   | 
  33 | |
| 11/16/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 11/02/18 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                                | 
  54 | 
| 10/23/18 | 8-K | Current report filing | 
       
   | 
  13 | |
| 09/13/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 




