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Commitments and Contingencies (Details) - Operating Lease Agreements [Member]
Aug. 31, 2019
USD ($)
Years Ending August 31:  
2020 $ 2,989,000
2021 2,433,000
2022 1,886,000
2023 1,618,000
2024 1,565,000
Thereafter 5,748,000
Total $ 16,239,000