| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/13/99 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  18 | ||
| 05/13/99 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  16 | ||
| 11/12/98 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  22 | ||
| 08/14/98 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  14 | ||
| 05/13/98 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  12 | ||
| 11/12/97 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  13 | ||
| 08/12/97 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  24 | ||
| 05/13/97 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  36 | ||
| 11/13/96 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  13 | ||
| 08/13/96 | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  14 | 
