| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 09/07/01 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 6 | |
| 09/06/01 | SC TO-C | Form SC TO-C: Written communication relating to an issuer or third party tender offer | 4 | |
| 08/14/01 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 37 | |
| 07/13/01 | SC 13D | Form SC 13D: General Statement of Acquisition of Beneficial Ownership | 8 | |
| 05/03/01 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 19 | |
| 04/02/01 | DEF 14A | Form DEF 14A: Definitive proxy statements | 13 | |
| 03/23/01 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 8 | |
| 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 |