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Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Schedule of Future Minimum Rental Payments) (Details)

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Commitments and Contingencies (Schedule of Future Minimum Rental Payments) (Details)
Apr. 30, 2017
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2018 $ 379,691
2019 242,725
2020 155,859
2021 140,060
2022 11,692
2023
Total minimum payments required $ 930,027