| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/15/99 | 10-K/A | Form 10-K/A: Annual report pursuant to Section 13 and 15(d) | 29 | |
| 04/01/99 | NT 10-K | Form NT 10-K: Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT | 2 | |
| 03/31/99 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 46 | |
| 03/25/98 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 59 | |
| 03/24/97 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 64 | |
| 04/01/96 | 10-K405 | Form 10-K405: Annual report [Sections 13 and 15(d), S-K Item 405] | 41 | |
| 03/22/94 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 56 | |
| 12/31/69 | 10-K405 | Form 10-K405: Annual report [Sections 13 and 15(d), S-K Item 405] | 43 |