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Commitments and Contingencies (Details) - Operating Lease Agreements [Member]
Aug. 31, 2018
USD ($)
Years Ending August 31:  
2019 $ 1,756,000
2020 1,363,000
2021 903,000
2022 653,000
2023 526,000
Thereafter 1,221,000
Total $ 6,422,000