Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000898432-23-000226-index-headers.html | 2023-04-28 21:50:46 | |
| 0000898432-23-000226-index.html | 2023-04-28 21:50:46 | |
| 0000898432-23-000226.txt | 2023-04-28 21:50:46 | |
 0000898432-23-000226-xbrl.zip | 19418 | 2023-04-28 21:50:46 |
| exh99-n.htm | 2686 | 2023-04-28 21:50:46 |
| FilingSummary.xml | 1854 | 2023-04-28 21:50:46 |
| Financial_Report.xlsx | 5528 | 2023-04-28 21:50:46 |
| MetaLinks.json | 91480 | 2023-04-28 21:50:46 |
| nhs-20220407.htm | 163304 | 2023-04-28 21:50:46 |
| nhs-20220407.xsd | 1682 | 2023-04-28 21:50:46 |
| nhs-20220407_htm.xml | 1914 | 2023-04-28 21:50:46 |
| R1.htm | 25809 | 2023-04-28 21:50:46 |
| report.css | 2766 | 2023-04-28 21:50:46 |
| Show.js | 1084 | 2023-04-28 21:50:46 |