| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/04/02 | 8-K | Form 8-K: Current report | 2 | |
| 03/29/02 | 8-K | Form 8-K: Current report | 3 | |
| 03/21/02 | 10-K | Form 10-K: Annual report [Section 13 and 15(d), not S-K Item 405] | 49 | |
| 03/11/02 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 4 | |
| 02/13/02 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 7 | |
| 02/12/02 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 4 | |
| 02/12/02 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 02/12/02 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 3 | |
| 02/11/02 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 6 | |
| 11/09/01 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 9 |