Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000728391-21-000024-index-headers.html | 2021-03-12 16:53:09 | |
| 0000728391-21-000024-index.html | 2021-03-12 16:53:09 | |
| 0000728391-21-000024.txt | 2021-03-12 16:53:09 | |
 0000728391-21-000024-xbrl.zip | 12596 | 2021-03-12 16:53:09 |
| cik0000728391-20210309.htm | 27399 | 2021-03-12 16:53:09 |
| cik0000728391-20210309.xsd | 2481 | 2021-03-12 16:53:09 |
| cik0000728391-20210309_cal.xml | 731 | 2021-03-12 16:53:09 |
| cik0000728391-20210309_def.xml | 13056 | 2021-03-12 16:53:09 |
| cik0000728391-20210309_htm.xml | 8973 | 2021-03-12 16:53:09 |
| cik0000728391-20210309_lab.xml | 25214 | 2021-03-12 16:53:09 |
| cik0000728391-20210309_pre.xml | 13432 | 2021-03-12 16:53:09 |
| FilingSummary.xml | 1763 | 2021-03-12 16:53:09 |
| Financial_Report.xlsx | 5346 | 2021-03-12 16:53:09 |
| MetaLinks.json | 18287 | 2021-03-12 16:53:09 |
| R1.htm | 34041 | 2021-03-12 16:53:09 |
| report.css | 2767 | 2021-03-12 16:53:09 |
| Show.js | 1085 | 2021-03-12 16:53:09 |