10-Q : January 31, 2024
XBRL INSTANCE DOCUMENT — dtii-20240131_htm.xml
XBRL SCHEMA DOCUMENT — dtii-20240131.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20240131_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20240131_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20240131_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20240131_pre.xml
10-Q : October 31, 2023
XBRL INSTANCE DOCUMENT — dtii-20231031_htm.xml
XBRL SCHEMA DOCUMENT — dtii-20231031.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20231031_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20231031_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20231031_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20231031_pre.xml
10-Q : July 31, 2023
XBRL INSTANCE DOCUMENT — dtii-20230731_htm.xml
XBRL SCHEMA DOCUMENT — dtii-20230731.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20230731_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20230731_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20230731_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20230731_pre.xml
10-K/A : April 30, 2023
XBRL INSTANCE DOCUMENT — dtii-20230430_htm.xml
XBRL SCHEMA DOCUMENT — dtii-20230430.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20230430_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20230430_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20230430_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20230430_pre.xml
10-Q : January 31, 2023
XBRL INSTANCE DOCUMENT — dtii-20230131_htm.xml
XBRL SCHEMA DOCUMENT — dtii-20230131.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20230131_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20230131_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20230131_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20230131_pre.xml
10-Q : October 31, 2022
XBRL INSTANCE DOCUMENT — dtii-20221031_htm.xml
XBRL SCHEMA DOCUMENT — dtii-20221031.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20221031_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20221031_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20221031_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20221031_pre.xml
10-Q : July 31, 2022
XBRL INSTANCE DOCUMENT — dtii-20220730_htm.xml
XBRL SCHEMA DOCUMENT — dtii-20220730.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20210730_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20220731_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20220731_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20220731_pre.xml
10-K/A : April 30, 2022
XBRL INSTANCE DOCUMENT — dtii-20220430_htm.xml
XBRL SCHEMA DOCUMENT — dtii-20220430.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20220430_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20220430_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20220430_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20220430_pre.xml
10-Q : January 31, 2022
XBRL INSTANCE DOCUMENT — dtii-20220131_htm.xml
XBRL SCHEMA DOCUMENT — dtii-20220131.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20220131_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20220131_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20220131_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20220131_pre.xml
10-Q : October 31, 2021
XBRL INSTANCE DOCUMENT — dtii-20211031_htm.xml
XBRL SCHEMA DOCUMENT — dtii-20211031.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20211031_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20211031_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20211031_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20211031_pre.xml
10-Q : July 31, 2021
XBRL INSTANCE DOCUMENT — dtii-20210730_htm.xml
XBRL SCHEMA DOCUMENT — dtii-20210730.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20210730_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20210730_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20210730_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20210131_pre.xml
10-K : April 30, 2021
XBRL INSTANCE DOCUMENT — dtii-20210430_htm.xml
XBRL SCHEMA DOCUMENT — dtii-20210430.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20210430_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20210430_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20210430_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20210430_pre.xml
10-Q : January 31, 2021
XBRL INSTANCE DOCUMENT — dtii-20210131_htm.xml
XBRL SCHEMA DOCUMENT — dtii-20210131.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20210131_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20210131_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20210131_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20210131_pre.xml
10-Q : October 31, 2020
XBRL INSTANCE DOCUMENT — dtii-20201031.xml
XBRL SCHEMA DOCUMENT — dtii-20201031.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20201031_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20201031_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20201031_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20201031_pre.xml
10-Q : July 31, 2020
XBRL INSTANCE DOCUMENT — dtii-20200731.xml
XBRL SCHEMA DOCUMENT — dtii-20200731.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20200731_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20200731_def.xmll
XBRL LABELS LINKBASE DOCUMENT — dtii-20200731_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20200731_pre.xml
10-K : April 30, 2020
XBRL INSTANCE DOCUMENT — dtii-20200430.xml
XBRL SCHEMA DOCUMENT — dtii-20200430.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20200430_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20200430_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20200430_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20200430_pre.xml
10-Q : January 31, 2020
XBRL INSTANCE DOCUMENT — dtii-20200131.xml
XBRL SCHEMA DOCUMENT — dtii-20200131.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20200131_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20200131_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20200131_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20200131_pre.xml
10-Q : October 31, 2019
XBRL INSTANCE DOCUMENT — dtii-20191031.xml
XBRL SCHEMA DOCUMENT — dtii-20191031.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20191031_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20191031_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20191031_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20191031_pre.xml
10-Q : July 31, 2019
XBRL INSTANCE DOCUMENT — dtii-20190731.xml
XBRL SCHEMA DOCUMENT — dtii-20190731.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20190731_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20190731_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20190731_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20190731_pre.xml
10-K : April 30, 2019
XBRL INSTANCE DOCUMENT — dtii-20190430.xml
XBRL SCHEMA DOCUMENT — dtii-20190430.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20190430_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20190430_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20190430_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20190430_pre.xml
10-Q : January 31, 2019
XBRL INSTANCE DOCUMENT — dtii-201901311.xml
XBRL SCHEMA DOCUMENT — dtii-20190131.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20190131_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20190131_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20190131_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20190131_pre.xml
10-Q : October 31, 2018
XBRL INSTANCE DOCUMENT — dtii-20181031.xml
XBRL SCHEMA DOCUMENT — dtii-20181031.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20181031_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20181031_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20181031_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20181031_pre.xml
10-Q : July 31, 2018
XBRL INSTANCE DOCUMENT — dtii-20180731.xml
XBRL SCHEMA DOCUMENT — dtii-20180731.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20180731_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20180731_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20180731_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20180731_pre.xml
10-K : April 30, 2018
XBRL INSTANCE DOCUMENT — dtii-20180430.xml
XBRL SCHEMA DOCUMENT — dtii-20180430.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20180430_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20180430_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20180430_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20180430_pre.xml
10-Q : January 31, 2018
XBRL INSTANCE DOCUMENT — dtii-20180131.xml
XBRL SCHEMA DOCUMENT — dtii-20180131.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20180131_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20180131_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20180131_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20180131_pre.xml
10-Q : October 31, 2017
DTII XBRL Rendering — DTII-XBRL-20171031-Rendering.html
XBRL INSTANCE DOCUMENT — dtii-20171031.xml
XBRL SCHEMA DOCUMENT — dtii-20171031.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20171031_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20171031_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20171031_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20171031_pre.xml
10-Q : July 31, 2017
DTII XBRL Rendering — dtii-20170430.xml
XBRL INSTANCE DOCUMENT — dtii-20170430.xml
XBRL SCHEMA DOCUMENT — dtii-20170430.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20170430_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20170430_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20170430_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20170430_pre.xml
10-Q : April 30, 2017
XBRL INSTANCE DOCUMENT — dtii-20170430.xml
XBRL SCHEMA DOCUMENT — dtii-20170430.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20170430_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20170430_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20170430_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20170430_pre.xml
10-Q : January 31, 2017
XBRL INSTANCE DOCUMENT — dtii-20170131.xml
XBRL SCHEMA DOCUMENT — dtii-20170131.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20170131_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20170131_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20170131_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20170131_pre.xml
10-Q : October 31, 2016
XBRL INSTANCE DOCUMENT — dtii-20161031.xml
XBRL SCHEMA DOCUMENT — dtii-20161031.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20161031_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20161031_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20161031_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20161031_pre.xml
10-Q : July 31, 2016
XBRL INSTANCE DOCUMENT — dtii-20160731.xml
XBRL SCHEMA DOCUMENT — dtii-20160731.xsd
XBRL CALCULATION LINKBASE DOCUMENT — dtii-20160731_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — dtii-20160731_def.xml
XBRL LABELS LINKBASE DOCUMENT — dtii-20160731_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — dtii-20160731_pre.xml
10-Q : April 30, 2016
XBRL INSTANCE DOCUMENT — cgcc-20160430.xml
XBRL SCHEMA DOCUMENT — cgcc-20160430.xsd
XBRL CALCULATION LINKBASE DOCUMENT — cgcc-20160430_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — cgcc-20160430_def.xml
XBRL LABELS LINKBASE DOCUMENT — cgcc-20160430_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — cgcc-20160430_pre.xml
10-Q : January 31, 2016
XBRL INSTANCE DOCUMENT — cgcc-20160131.xml
XBRL SCHEMA DOCUMENT — cgcc-20160131.xsd
XBRL CALCULATION LINKBASE DOCUMENT — cgcc-20160131_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — cgcc-20160131_def.xml
XBRL LABELS LINKBASE DOCUMENT — cgcc-20160131_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — cgcc-20160131_pre.xml
10-Q : October 31, 2015
XBRL INSTANCE DOCUMENT — cgcc-20151031.xml
XBRL SCHEMA DOCUMENT — cgcc-20151031.xsd
XBRL CALCULATION LINKBASE DOCUMENT — cgcc-20151031_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — cgcc-20151031_def.xml
XBRL LABELS LINKBASE DOCUMENT — cgcc-20151031_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — cgcc-20151031_pre.xml
10-Q : September 14, 2015
XBRL INSTANCE DOCUMENT — cgcc-20150731.xml
XBRL SCHEMA DOCUMENT — cgcc-20150731.xsd
XBRL CALCULATION LINKBASE DOCUMENT — cgcc-20150731_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — cgcc-20150731_def.xml
XBRL LABELS LINKBASE DOCUMENT — cgcc-20150731_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — cgcc-20150731_pre.xml
10-K : July 30, 2015
XBRL INSTANCE DOCUMENT — cgcc-20150430.xml
XBRL SCHEMA DOCUMENT — cgcc-20150430.xsd
XBRL CALCULATION LINKBASE DOCUMENT — cgcc-20150430_cal.xml
XBRL DEFINITION LINKBASE DOCUMENT — cgcc-20150430_def.xml
XBRL LABELS LINKBASE DOCUMENT — cgcc-20150430_lab.xml
XBRL PRESENTATION LINKBASE DOCUMENT — cgcc-20150430_pre.xml
10-Q : January 31, 2015
XBRL INSTANCE DOCUMENT — cgcc-20150131.xml
XBRL TAXONOMY EXTENSION SCHEMA — cgcc-20150131.xsd
XBRL TAXONOMY EXTENSION CALCULATION LINKBASE — cgcc-20150131_cal.xml
XBRL TAXONOMY EXTENSION DEFINITION LINKBASE — cgcc-20150131_def.xml
XBRL TAXONOMY EXTENSION LABEL LINKBASE — cgcc-20150131_lab.xml
XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE — cgcc-20150131_pre.xml
10-Q : October 31, 2014
XBRL INSTANCE DOCUMENT — cgcc-20141031.xml
XBRL TAXONOMY EXTENSION SCHEMA — cgcc-20141031.xsd
XBRL TAXONOMY EXTENSION CALCULATION LINKBASE — cgcc-20141031_cal.xml
XBRL TAXONOMY EXTENSION DEFINITION LINKBASE — cgcc-20141031_def.xml
XBRL TAXONOMY EXTENSION LABEL LINKBASE — cgcc-20141031_lab.xml
XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE — cgcc-20141031_pre.xml
10-Q/A : July 31, 2014
XBRL INSTANCE DOCUMENT — cgcc-20140731.xml
XBRL TAXONOMY EXTENSION SCHEMA — cgcc-20140731.xsd
XBRL TAXONOMY EXTENSION CALCULATION LINKBASE — cgcc-20140731_cal.xml
XBRL TAXONOMY EXTENSION DEFINITION LINKBASE — cgcc-20140731_def.xml
XBRL TAXONOMY EXTENSION LABEL LINKBASE — cgcc-20140731_lab.xml
XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE — cgcc-20140731_pre.xml
10-Q : July 31, 2014
XBRL INSTANCE DOCUMENT — cgcc-20140731.xml
XBRL TAXONOMY EXTENSION SCHEMA — cgcc-20140731.xsd
XBRL TAXONOMY EXTENSION CALCULATION LINKBASE — cgcc-20140731_cal.xml
XBRL TAXONOMY EXTENSION DEFINITION LINKBASE — cgcc-20140731_def.xml
XBRL TAXONOMY EXTENSION LABEL LINKBASE — cgcc-20140731_lab.xml
XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE — cgcc-20140731_pre.xml
10-K/A : April 30, 2014
XBRL INSTANCE DOCUMENT — cgcc-20140430.xml
XBRL TAXONOMY EXTENSION SCHEMA — cgcc-20140430.xsd
XBRL TAXONOMY EXTENSION CALCULATION LINKBASE — cgcc-20140430_cal.xml
XBRL TAXONOMY EXTENSION DEFINITION LINKBASE — cgcc-20140430_def.xml
XBRL TAXONOMY EXTENSION LABEL LINKBASE — cgcc-20140430_lab.xml
XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE — cgcc-20140430_pre.xml
10-K : April 30, 2014
XBRL INSTANCE DOCUMENT — cgcc-20140430.xml
XBRL TAXONOMY EXTENSION SCHEMA — cgcc-20140430.xsd
XBRL TAXONOMY EXTENSION CALCULATION LINKBASE — cgcc-20140430_cal.xml
XBRL TAXONOMY EXTENSION DEFINITION LINKBASE — cgcc-20140430_def.xml
XBRL TAXONOMY EXTENSION LABEL LINKBASE — cgcc-20140430_lab.xml
XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE — cgcc-20140430_pre.xml
10-Q : January 31, 2014
XBRL INSTANCE DOCUMENT — cgcc-20140131.xml
XBRL TAXONOMY EXTENSION SCHEMA — cgcc-20140131.xsd
XBRL TAXONOMY EXTENSION CALCULATION LINKBASE — cgcc-20140131_cal.xml
XBRL TAXONOMY EXTENSION DEFINITION LINKBASE — cgcc-20140131_def.xml
XBRL TAXONOMY EXTENSION LABEL LINKBASE — cgcc-20140131_lab.xml
XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE — cgcc-20140131_pre.xml