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| 0001171843-20-004868-index.html | 2020-07-09 16:07:07 | |
| 0001171843-20-004868.txt | 2020-07-09 16:07:07 | |
 0001171843-20-004868-xbrl.zip | 119816 | 2020-07-09 16:07:07 |
| exh_311.htm | 8731 | 2020-07-09 16:07:07 |
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| exh_321.htm | 4104 | 2020-07-09 16:07:07 |
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| f10q_070920p.htm | 585054 | 2020-07-09 16:07:07 |
| FilingSummary.xml | 40586 | 2020-07-09 16:07:07 |
| Financial_Report.xlsx | 74400 | 2020-07-09 16:07:07 |
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| ntic-20200531.xml | 827068 | 2020-07-09 16:07:07 |
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| ntic-20200531_cal.xml | 51530 | 2020-07-09 16:07:07 |
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