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Note 7 - Accrued Expenses - Major Components Of Accrued Expenses (Details) - USD ($)
Nov. 30, 2020
Nov. 30, 2019
Salaries, wages, and commissions $ 726,625 $ 555,201
Accrued warranty expense 291,454 203,185
Other 261,233 374,440
Total accrued liabilities, current $ 1,279,312 $ 1,132,826