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Note 6 - Accrued Expenses - Major Components Of Accrued Expenses (Details) - USD ($)
Nov. 30, 2018
Aug. 31, 2018
Nov. 30, 2017
Salaries, wages, and commissions   $ 554,625 $ 584,768
Accrued warranty expense   71,263 68,451
Other   608,418 328,339
Total accrued liabilities, current $ 981,558 $ 1,234,306 $ 981,558