Leases - Schedule of Future Minimum Lease Payments (Details) - USD ($)	Aug. 31, 2019	May 31, 2019
Leases [Abstract]
Twelve months ended August 31, 2020	$ 2,355,000
Twelve months ended August 31, 2021	2,355,000
Twelve months ended August 31, 2022	1,889,000
Twelve months ended August 31, 2023	525,000
Twelve months ended August 31, 2024
Total future minimum lease payments	7,124,000
Present value discount	788,358
Present value of minimum lease payments	6,335,642	$ 6,754,819
Twelve months ended August 31, 2020	81,881
Twelve months ended August 31, 2021	81,881
Twelve months ended August 31, 2022	49,881
Twelve months ended August 31, 2023	32,348
Twelve months ended August 31, 2024	12,910
Total future minimum lease payments	258,901
Present value discount	22,835
Present value of minimum lease payments	$ 236,066