v3.26.1
Note 7 - Investments in Joint Ventures - Condensed Balance Sheet of EXCOR and All Other Joint Ventures (Details) - USD ($)
Feb. 28, 2026
Aug. 31, 2025
Current assets $ 45,219,931 $ 44,342,816
Total assets 104,897,921 102,745,280
Current liabilities 25,018,175 23,904,094
Non-current liabilities 2,155,754 2,128,461
Joint ventures’ equity 73,285,335 72,148,754
Investments in joint ventures 29,748,064 28,611,777
EXCOR and All Other Joint Ventures [Member]    
Investments in joint ventures 29,748,064 28,611,777
NTIC’s share of joint ventures’ undistributed earnings 28,803,395 27,667,432
EXCOR [Member]    
Investments in joint ventures 18,430,382 17,274,991
NTIC’s share of joint ventures’ undistributed earnings 17,610,532 17,244,086
Acobal [Member]    
Investments in joint ventures 2,510,234 2,619,932
NTIC’s share of joint ventures’ undistributed earnings 2,900,410 2,619,932
Zerust OY [Member]    
Investments in joint ventures 1,122,814 1,297,358
NTIC’s share of joint ventures’ undistributed earnings 1,405,155 1,277,358
All Other [Member]    
Investments in joint ventures 7,684,634 7,419,496
NTIC’s share of joint ventures’ undistributed earnings 6,887,298 6,526,056
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]    
Current assets 62,503,865  
Total assets 72,326,199  
Current liabilities 12,003,432  
Non-current liabilities 336,458  
Joint ventures’ equity 59,986,309  
EXCOR and All Other Joint Ventures [Member]    
Current assets   60,062,085
Total assets   69,815,251
Current liabilities   11,743,525
Non-current liabilities   336,557
Joint ventures’ equity   57,735,169
EXCOR [Member]    
Current assets 31,809,238 29,870,525
Total assets 38,912,946 36,941,008
Current liabilities 2,052,186 2,391,029
Non-current liabilities 0 0
Joint ventures’ equity 36,860,760 34,549,979
Acobal [Member]    
Current assets 6,684,550 6,971,262
Total assets 7,596,463 7,900,298
Current liabilities 2,575,991 2,660,430
Non-current liabilities 0 0
Joint ventures’ equity 5,020,471 5,239,868
Zerust OY [Member]    
Current assets 2,884,239 3,029,614
Total assets 3,151,560 3,313,909
Current liabilities 905,909 719,172
Non-current liabilities 0 0
Joint ventures’ equity 2,245,650 2,594,737
All Other [Member]    
Current assets 21,125,837 20,190,684
Total assets 22,665,230 21,660,036
Current liabilities 6,469,345 5,972,894
Non-current liabilities 336,458 336,557
Joint ventures’ equity $ 15,859,427 $ 15,350,585