| Type | Filed | |
|---|---|---|
| DEF 14A | 2002-04-30 | EDGAR |
| 10-K | 2002-04-01 | EDGAR |
| SC 13G/A | 2002-02-14 | EDGAR |
| SC 13G/A | 2002-02-11 | EDGAR |
| 10-Q | 2001-11-13 | EDGAR |
| 424B3 | 2001-10-17 | EDGAR |
| S-3/A | 2001-10-12 | EDGAR |
| 10-Q | 2001-08-10 | EDGAR |
| 8-K | 2001-07-11 | EDGAR |
| S-8 | 2001-07-05 | EDGAR |
| S-3 | 2001-07-02 | EDGAR |
| 15-12G | 2001-06-29 | EDGAR |
| SC 13D/A | 2001-05-21 | EDGAR |
| 10-Q | 2001-05-15 | EDGAR |
| 3 | 2001-05-07 | EDGAR |
| SC 13D | 2001-05-07 | EDGAR |
| DEF 14A | 2001-04-30 | EDGAR |
| DEFA14A | 2001-04-27 | EDGAR |
| DEFA14A | 2001-04-19 | EDGAR |
| S-8 | 2001-04-19 | EDGAR |