| Date | Form | Description | XBRL | |
|---|---|---|---|---|
| 06/04/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
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| 06/04/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
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| 06/04/18 | 8-K | Current report filing | 
       
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| 06/01/18 | 3 | Initial statement of beneficial ownership of securities | 
       
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| 06/01/18 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
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| 06/01/18 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  |
| 06/01/18 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  |
| 06/01/18 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  |
| 06/01/18 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  |
| 06/01/18 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  
