2024 SEC Filings (XBRL Files)
XBRL Item – Ex-101.INS-XBRL Instance Document - nick-20231231.xml -
XBRL Item – Ex-101.SCH-XBRL Taxonomy Extension Schema Document - nick-20231231.xsd -
HTM Item – Ex-101.INS-XBRL - nick-20231231.htm -
XBRL Item – Ex-101.INS-XBRL Instance Document - nick-20230930.xml -
XBRL Item – Ex-101.SCH-XBRL Taxonomy Extension Schema Document - nick-20230930.xsd -
XBRL Item – Ex-101.CAL-XBRL Taxonomy Extension Calculation Linkbase Document - nick-20230930_cal.xml -
XBRL Item – Ex-101.LAB-XBRL Taxonomy Extension Label Linkbase Document - nick-20230930_lab.xml -
XBRL Item – Ex-101.PRE-XBRL Taxonomy Extension Presentation Linkbase Document - nick-20230930_pre.xml -
XBRL Item – Ex-101.DEF-XBRL Taxonomy Extension Definition Linkbase Document - nick-20230930_def.xml -
XBRL Item – Ex-101.INS-XBRL Instance Document - nick-20230630.xml -
XBRL Item – Ex-101.SCH-XBRL Taxonomy Extension Schema Document - nick-20230630.xsd -
XBRL Item – Ex-101.CAL-XBRL Taxonomy Extension Calculation Linkbase Document - nick-20230630_cal.xml -
XBRL Item – Ex-101.LAB-XBRL Taxonomy Extension Label Linkbase Document - nick-20230630_lab.xml -
XBRL Item – Ex-101.PRE-XBRL Taxonomy Extension Presentation Linkbase Document - nick-20230630_pre.xml -
XBRL Item – Ex-101.DEF-XBRL Taxonomy Extension Definition Linkbase Document - nick-20230630_def.xml -
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