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3. REVENUE RECOGNITION (Details - Billings on Uncompleted Contracts) - USD ($) | 12 Months Ended
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Aug. 31, 2019 | Aug. 31, 2018
Revenue Recognition [Abstract] |  |
Revenues earned to date on uncompleted contracts | $ 19,254,928 | $ 11,794,764
Billings to date on uncompleted contracts | (16,819,818) | (10,193,771)
Revenues over billings | $ 2,435,110 | $ 1,600,993

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- Definition Billings to date on uncompleted contracts + References No definition available. + Details
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- Definition Revenues earned to date on uncompleted contracts + References No definition available. + Details
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- Definition Revenues over billings + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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