Document Format Files
Data Files
Seq | Description | Document | Type | Size |
---|---|---|---|---|
4 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | natl-20250507.xsd | EX-101.SCH | 2118 |
5 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | natl-20250507_lab.xml | EX-101.LAB | 22294 |
6 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | natl-20250507_pre.xml | EX-101.PRE | 12942 |
60 | EXTRACTED XBRL INSTANCE DOCUMENT | natl-20250507_htm.xml | XML | 2809 |
EIN.: 923588560 | State of Incorp.: MD | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-41728 | Film No.: 25921583
SIC: 3578 Calculating & Accounting Machines (No Electronic Computers)
(CF Office: 06 Technology)