| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/05/18 | SC 13D | Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 
       
   | 
  20 | |
| 04/04/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 04/03/18 | S-8 | Initial registration statement for securities to be offered to employees pursuant to employee benefit plans | 
       
   | 
  12 | |
| 04/03/18 | S-8 POS | Post-effective amendment to a S-8 registration statement | 
       
   | 
  10 | |
| 04/03/18 | S-8 POS | Post-effective amendment to a S-8 registration statement | 
       
   | 
  10 | |
| 04/02/18 | 10-K | Annual report pursuant to Section 13 and 15(d) | 
       
   | 
  
                                            | 
  189 | 
| 04/02/18 | 8-K | Current report filing | 
       
   | 
  12 | |
| 03/27/18 | 8-K | Current report filing | 
       
   | 
  214 | |
| 03/26/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/21/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 




