Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000728391-21-000019-index-headers.html | 2021-03-04 16:54:07 | |
| 0000728391-21-000019-index.html | 2021-03-04 16:54:07 | |
| 0000728391-21-000019.txt | 2021-03-04 16:54:07 | |
 0000728391-21-000019-xbrl.zip | 13402 | 2021-03-04 16:54:07 |
| cik0000728391-20210304.htm | 30316 | 2021-03-04 16:54:07 |
| cik0000728391-20210304.xsd | 2481 | 2021-03-04 16:54:07 |
| cik0000728391-20210304_cal.xml | 731 | 2021-03-04 16:54:07 |
| cik0000728391-20210304_def.xml | 13056 | 2021-03-04 16:54:07 |
| cik0000728391-20210304_htm.xml | 8973 | 2021-03-04 16:54:07 |
| cik0000728391-20210304_lab.xml | 25214 | 2021-03-04 16:54:07 |
| cik0000728391-20210304_pre.xml | 13432 | 2021-03-04 16:54:07 |
| FilingSummary.xml | 1763 | 2021-03-04 16:54:07 |
| Financial_Report.xlsx | 5347 | 2021-03-04 16:54:07 |
| MetaLinks.json | 18287 | 2021-03-04 16:54:07 |
| R1.htm | 34041 | 2021-03-04 16:54:07 |
| report.css | 2767 | 2021-03-04 16:54:07 |
| Show.js | 1085 | 2021-03-04 16:54:07 |