v3.26.1
Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
May 31, 2026
Nov. 30, 2025
Trade accounts and notes receivable, allowance for doubtful accounts $ 49,350 $ 49,350
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 160,414 159,814
Definite lived intangible assets, accumulated amortization   $ 146,745
Preferred Stock, Par or Stated Value Per Share (in dollars per share) $ 0.001 $ 0.001
Preferred shares, authorized (in shares) 4,000,000 4,000,000
Preferred Stock, Shares Outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, authorized (in shares) 15,000,000 15,000,000
Common stock, issued (in shares) 8,466,953 8,466,953
Common stock, outstanding (in shares) 7,263,508 7,263,508
Series A Preferred Stock [Member]    
Preferred Stock, Par or Stated Value Per Share (in dollars per share) $ 0.001 $ 0.001
Preferred shares, authorized (in shares) 1,000,000 1,000,000
Preferred Stock, Shares Outstanding (in shares) 0 0