| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/21/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/21/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/21/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/21/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/16/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/16/18 | 8-K | Current report filing | 
       
   | 
  34 | |
| 05/15/18 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                                            | 
  237 | 
| 05/15/18 | 8-K | Current report filing | 
       
   | 
  12 | |
| 05/10/18 | NT 10-Q | Notice under Rule 12b25 of inability to timely file all or part of a form 10-Q or 10-QSB | 
       
   | 
  3 | |
| 05/04/18 | DEFR14A | Definitive revised proxy soliciting materials | 
       
   | 
  105 | 




