| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/15/19 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 01/14/19 | 8-K | Current report filing | 
       
   | 
  2 | |
| 12/21/18 | SC 13D/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 
       
   | 
  10 | |
| 12/14/18 | 8-K | Current report filing | 
       
   | 
  2 | |
| 12/13/18 | 8-K | Current report filing | 
       
   | 
  3 | |
| 12/07/18 | SC 13D/A | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 
       
   | 
  13 | |
| 12/06/18 | 10-K | Annual report pursuant to Section 13 and 15(d) | 
       
   | 
  
                                            | 
  135 | 
| 12/06/18 | 8-K | Current report filing | 
       
   | 
  12 | |
| 11/29/18 | SC 13D | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 
       
   | 
  17 | |
| 11/20/18 | 8-K | Current report filing | 
       
   | 
  3 | 





