| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/22/01 | 10-K405 | Form 10-K405: Annual report [Sections 13 and 15(d), S-K Item 405] | 116 | |
| 02/14/01 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 4 | |
| 02/09/01 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 4 | |
| 01/16/01 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 6 | |
| 11/14/00 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 65 | |
| 08/30/00 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 5 | |
| 08/14/00 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 13 | |
| 07/28/00 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 05/22/00 | DEF 14A | Form DEF 14A: Definitive proxy statements | 14 | |
| 05/15/00 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 11 |