v3.26.1
Note 7 - Investments in Joint Ventures - Condensed Balance Sheet of EXCOR and All Other Joint Ventures (Details) - USD ($)
May 31, 2026
Aug. 31, 2025
Current assets $ 47,774,418 $ 44,342,816
Current assets 47,774,418 44,342,816
Total assets 107,125,003 102,745,280
Total assets 107,125,003 102,745,280
Current liabilities 27,782,828 23,904,094
Current liabilities 27,782,828 23,904,094
Noncurrent liabilities 2,060,519 2,128,461
Joint ventures’ equity 72,824,860 72,148,754
Non-current liabilities 2,060,519 2,128,461
Investments in joint ventures 30,360,084 28,611,777
Joint ventures’ equity 72,824,860 72,148,754
NTIC’s share of joint ventures’ equity 30,360,084 28,611,777
EXCOR and All Other Joint Ventures [Member]    
Investments in joint ventures   28,611,777
NTIC’s share of joint ventures’ undistributed earnings   27,667,432
NTIC’s share of joint ventures’ equity   28,611,777
NTIC’s share of joint ventures’ undistributed earnings   27,667,432
EXCOR [Member]    
Investments in joint ventures 18,898,750 17,274,991
NTIC’s share of joint ventures’ undistributed earnings 18,867,845 17,244,086
NTIC’s share of joint ventures’ equity 18,898,750 17,274,991
NTIC’s share of joint ventures’ undistributed earnings 18,867,845 17,244,086
Acobal [Member]    
Investments in joint ventures 2,821,711 2,619,932
NTIC’s share of joint ventures’ undistributed earnings 2,821,711 2,619,932
NTIC’s share of joint ventures’ equity 2,821,711 2,619,932
NTIC’s share of joint ventures’ undistributed earnings 2,821,711 2,619,932
Zerust OY [Member]    
Investments in joint ventures 1,259,004 1,297,358
NTIC’s share of joint ventures’ undistributed earnings 1,239,004 1,277,358
NTIC’s share of joint ventures’ equity 1,259,004 1,297,358
NTIC’s share of joint ventures’ undistributed earnings 1,239,004 1,277,358
All Other [Member]    
Investments in joint ventures 5,081,265 7,419,496
NTIC’s share of joint ventures’ undistributed earnings 4,309,503 6,526,056
NTIC’s share of joint ventures’ equity 5,081,265 7,419,496
NTIC’s share of joint ventures’ undistributed earnings 4,309,503 6,526,056
EXCOR and All Other Joint Venturs [Member]    
Investments in joint ventures 30,360,084  
NTIC’s share of joint ventures’ undistributed earnings 29,415,417  
NTIC’s share of joint ventures’ equity 30,360,084  
NTIC’s share of joint ventures’ undistributed earnings 29,415,417  
Zerust AB [Member]    
Investments in joint ventures 497,017  
NTIC’s share of joint ventures’ undistributed earnings 477,017  
NTIC’s share of joint ventures’ equity 497,017  
NTIC’s share of joint ventures’ undistributed earnings 477,017  
Spec Tech [Member]    
Investments in joint ventures 1,802,337  
NTIC’s share of joint ventures’ undistributed earnings 1,700,337  
NTIC’s share of joint ventures’ equity 1,802,337  
NTIC’s share of joint ventures’ undistributed earnings 1,700,337  
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]    
Current assets 65,742,210  
Current assets 65,742,210  
Total assets 75,173,163  
Total assets 75,173,163  
Current liabilities 13,640,471  
Current liabilities 13,640,471  
Noncurrent liabilities 322,337  
Joint ventures’ equity 61,210,354  
Non-current liabilities 322,337  
Joint ventures’ equity 61,210,354  
EXCOR and All Other Joint Ventures [Member]    
Current assets   60,062,085
Current assets   60,062,085
Total assets   69,815,251
Total assets   69,815,251
Current liabilities   11,743,525
Current liabilities   11,743,525
Noncurrent liabilities   336,557
Joint ventures’ equity   57,735,169
Non-current liabilities   336,557
Joint ventures’ equity   57,735,169
EXCOR [Member]    
Current assets 33,104,791 29,870,525
Current assets 33,104,791 29,870,525
Total assets 39,993,690 36,941,008
Total assets 39,993,690 36,941,008
Current liabilities 2,196,193 2,391,029
Current liabilities 2,196,193 2,391,029
Noncurrent liabilities 0 0
Joint ventures’ equity 37,797,497 34,549,979
Non-current liabilities 0 0
Joint ventures’ equity 37,797,497 34,549,979
Acobal [Member]    
Current assets 7,711,013 6,971,262
Current assets 7,711,013 6,971,262
Total assets 8,593,203 7,900,298
Total assets 8,593,203 7,900,298
Current liabilities 2,949,776 2,660,430
Current liabilities 2,949,776 2,660,430
Noncurrent liabilities 0 0
Joint ventures’ equity 5,643,426 5,239,868
Non-current liabilities 0 0
Joint ventures’ equity 5,643,426 5,239,868
Zerust OY [Member]    
Current assets 3,283,426 3,029,614
Current assets 3,283,426 3,029,614
Total assets 3,536,844 3,313,909
Total assets 3,536,844 3,313,909
Current liabilities 1,018,813 719,172
Current liabilities 1,018,813 719,172
Noncurrent liabilities 0 0
Joint ventures’ equity 2,518,031 2,594,737
Non-current liabilities 0 0
Joint ventures’ equity 2,518,031 2,594,737
All Other [Member]    
Current assets 14,578,758 20,190,684
Current assets 14,578,758 20,190,684
Total assets 15,759,586 21,660,036
Total assets 15,759,586 21,660,036
Current liabilities 4,989,945 5,972,894
Current liabilities 4,989,945 5,972,894
Noncurrent liabilities 97,889 336,557
Joint ventures’ equity 10,671,751 15,350,585
Non-current liabilities 97,889 336,557
Joint ventures’ equity 10,671,751 $ 15,350,585
Zerust AB [Member]    
Current assets 1,652,363  
Current assets 1,652,363  
Total assets 1,667,235  
Total assets 1,667,235  
Current liabilities 692,260  
Current liabilities 692,260  
Noncurrent liabilities 0  
Joint ventures’ equity 974,976  
Non-current liabilities 0  
Joint ventures’ equity 974,976  
Spec Tech [Member]    
Current assets 5,411,859  
Current assets 5,411,859  
Total assets 5,622,605  
Total assets 5,622,605  
Current liabilities 1,793,484  
Current liabilities 1,793,484  
Noncurrent liabilities 224,448  
Joint ventures’ equity 3,604,673  
Non-current liabilities 224,448  
Joint ventures’ equity $ 3,604,673