Annual report [Section 13 and 15(d), not S-K Item 405]

Consolidated Balance Sheets (Parenthetical)

v3.25.0.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
Nov. 30, 2024
Nov. 30, 2023
Accounts receivable, allowance for doubtful accounts $ 4,266,405 $ 3,822,300
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 500,000 500,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 20,000,000 20,000,000
Common stock, shares issued 14,869,619 14,849,246
Common stock, shares outstanding 8,082,159 8,286,785
Series A Junior Participating Preferred Stock [Member]    
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 20,000 20,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0