| Condensed Balance Sheet [Table Text Block] |
| |
|
As of May 31, 2026
|
|
| |
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Total
|
|
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EXCOR
|
|
|
Acobal
|
|
|
Zerust OY
|
|
|
Zerust AB
|
|
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Spec Tech
|
|
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Other
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|
|
Current assets
|
|
$ |
65,742,210 |
|
|
$ |
33,104,791 |
|
|
$ |
7,711,013 |
|
|
$ |
3,283,426 |
|
|
$ |
1,652,363 |
|
|
$ |
5,411,859 |
|
|
$ |
14,578,758 |
|
|
Total assets
|
|
|
75,173,163 |
|
|
|
39,993,690 |
|
|
|
8,593,203 |
|
|
|
3,536,844 |
|
|
|
1,667,235 |
|
|
|
5,622,605 |
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|
|
15,759,586 |
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Current liabilities
|
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13,640,471 |
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|
2,196,193 |
|
|
|
2,949,776 |
|
|
|
1,018,813 |
|
|
|
692,260 |
|
|
|
1,793,484 |
|
|
|
4,989,945 |
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|
Non-current liabilities
|
|
|
322,337 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
224,448 |
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|
|
97,889 |
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Joint ventures’ equity
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|
|
61,210,354 |
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|
|
37,797,497 |
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|
|
5,643,426 |
|
|
|
2,518,031 |
|
|
|
974,976 |
|
|
|
3,604,673 |
|
|
|
10,671,751 |
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NTIC’s share of joint ventures’ equity
|
|
|
30,360,084 |
|
|
|
18,898,750 |
|
|
|
2,821,711 |
|
|
|
1,259,004 |
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|
|
497,017 |
|
|
|
1,802,337 |
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|
|
5,081,265 |
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NTIC’s share of joint ventures’ undistributed earnings
|
|
|
29,415,417 |
|
|
|
18,867,845 |
|
|
|
2,821,711 |
|
|
|
1,239,004 |
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|
|
477,017 |
|
|
|
1,700,337 |
|
|
|
4,309,503 |
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| |
|
As of August 31, 2025
|
|
| |
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Total
|
|
|
EXCOR
|
|
|
Acobal
|
|
|
Zerust OY
|
|
|
Other
|
|
|
Current assets
|
|
$ |
60,062,085 |
|
|
$ |
29,870,525 |
|
|
$ |
6,971,262 |
|
|
$ |
3,029,614 |
|
|
$ |
20,190,684 |
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Total assets
|
|
|
69,815,251 |
|
|
|
36,941,008 |
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|
|
7,900,298 |
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|
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3,313,909 |
|
|
|
21,660,036 |
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Current liabilities
|
|
|
11,743,525 |
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|
|
2,391,029 |
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|
|
2,660,430 |
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|
|
719,172 |
|
|
|
5,972,894 |
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Noncurrent liabilities
|
|
|
336,557 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
336,557 |
|
|
Joint ventures’ equity
|
|
|
57,735,169 |
|
|
|
34,549,979 |
|
|
|
5,239,868 |
|
|
|
2,594,737 |
|
|
|
15,350,585 |
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NTIC’s share of joint ventures’ equity
|
|
|
28,611,777 |
|
|
|
17,274,991 |
|
|
|
2,619,932 |
|
|
|
1,297,358 |
|
|
|
7,419,496 |
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NTIC’s share of joint ventures’ undistributed earnings
|
|
|
27,667,432 |
|
|
|
17,244,086 |
|
|
|
2,619,932 |
|
|
|
1,277,358 |
|
|
|
6,526,056 |
|
|
| Condensed Income Statement [Table Text Block] |
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|
Three Months Ended May 31, 2026
|
|
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Total
|
|
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EXCOR
|
|
|
Acobal
|
|
|
Zerust OY
|
|
|
Zerust AB
|
|
|
Spec Tech
|
|
|
Other
|
|
|
Net sales
|
|
$ |
26,707,572 |
|
|
$ |
9,480,910 |
|
|
$ |
3,691,757 |
|
|
$ |
1,438,124 |
|
|
$ |
1,627,801 |
|
|
$ |
2,279,040 |
|
|
$ |
8,189,940 |
|
|
Gross profit
|
|
|
11,384,037 |
|
|
|
4,910,642 |
|
|
|
1,429,663 |
|
|
|
878,449 |
|
|
|
608,218 |
|
|
|
609,890 |
|
|
|
2,947,175 |
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|
Net income
|
|
|
3,019,996 |
|
|
|
1,416,371 |
|
|
|
686,418 |
|
|
|
300,889 |
|
|
|
191,352 |
|
|
|
123,570 |
|
|
|
301,396 |
|
|
NTIC’s share of equity in income from joint ventures
|
|
|
1,517,175 |
|
|
|
710,699 |
|
|
|
344,885 |
|
|
|
151,128 |
|
|
|
96,327 |
|
|
|
62,807 |
|
|
|
151,329 |
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|
NTIC’s dividends received from joint ventures
|
|
|
383,601 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
164,839 |
|
|
|
218,762 |
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| |
|
Nine Months Ended May 31, 2026
|
|
| |
|
Total
|
|
|
EXCOR
|
|
|
Acobal
|
|
|
Zerust OY
|
|
|
Zerust AB
|
|
|
Spec Tech
|
|
|
Other
|
|
|
Net sales
|
|
$ |
74,722,581 |
|
|
$ |
26,583,069 |
|
|
$ |
10,549,682 |
|
|
$ |
4,168,396 |
|
|
$ |
4,053,901 |
|
|
$ |
6,664,036 |
|
|
$ |
22,703,497 |
|
|
Gross profit
|
|
|
32,468,425 |
|
|
|
14,048,988 |
|
|
|
4,141,657 |
|
|
|
2,545,287 |
|
|
|
1,476,905 |
|
|
|
1,822,634 |
|
|
|
8,432,954 |
|
|
Net income
|
|
|
7,680,459 |
|
|
|
3,363,103 |
|
|
|
1,917,029 |
|
|
|
808,425 |
|
|
|
313,037 |
|
|
|
397,872 |
|
|
|
880,993 |
|
|
NTIC’s share of equity in income from joint ventures
|
|
|
3,839,960 |
|
|
|
1,681,054 |
|
|
|
958,506 |
|
|
|
404,069 |
|
|
|
156,628 |
|
|
|
198,978 |
|
|
|
440,725 |
|
|
NTIC’s dividends received from joint ventures
|
|
|
1,786,116 |
|
|
|
— |
|
|
|
747,467 |
|
|
|
436,716 |
|
|
|
208,331 |
|
|
|
164,839 |
|
|
|
228,763 |
|
| |
|
Three Months Ended May 31, 2025
|
|
| |
|
Total
|
|
|
EXCOR
|
|
|
All Other
|
|
|
Net sales
|
|
$ |
23,211,613 |
|
|
$ |
8,271,661 |
|
|
$ |
14,939,952 |
|
|
Gross profit
|
|
|
9,768,978 |
|
|
|
4,339,777 |
|
|
|
5,429,201 |
|
|
Net income
|
|
|
1,937,620 |
|
|
|
897,104 |
|
|
|
1,040,516 |
|
|
NTIC’s share of equity in income from joint ventures
|
|
|
970,314 |
|
|
|
448,673 |
|
|
|
521,641 |
|
|
NTIC’s dividends received from joint ventures
|
|
|
886,209 |
|
|
|
— |
|
|
|
886,209 |
|
| |
|
Nine Months Ended May 31, 2025
|
|
| |
|
Total
|
|
|
EXCOR
|
|
|
All Other
|
|
|
Net sales
|
|
$ |
66,848,498 |
|
|
$ |
23,914,520 |
|
|
$ |
42,933,978 |
|
|
Gross profit
|
|
|
28,325,377 |
|
|
|
12,695,626 |
|
|
|
15,629,751 |
|
|
Net income
|
|
|
5,416,777 |
|
|
|
2,665,391 |
|
|
|
2,751,386 |
|
|
NTIC’s share of equity in income from joint ventures
|
|
|
2,720,637 |
|
|
|
1,340,674 |
|
|
|
1,379,963 |
|
|
NTIC’s dividends received from joint ventures
|
|
|
1,566,946 |
|
|
|
— |
|
|
|
1,566,946 |
|
|