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Property, Equipment and Leasehold Improvements (Details) - USD ($)
Aug. 31, 2022
Aug. 31, 2021
Held for use:    
Machinery and equipment $ 10,759,000 $ 10,482,000
Furniture and fixtures 3,016,000 2,645,000
Vehicles 137,000 137,000
Leasehold improvements 7,405,000 6,743,000
Construction in progress 497,000 104,000
Total held for use 21,814,000 20,111,000
Less: accumulated depreciation and amortization (13,335,000) (11,842,000)
Total property, equipment, and leasehold improvements held for use, net $ 8,479,000 $ 8,269,000