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Fair Value of Financial Instruments - Schedule of Fair Value Liabilities Measured on Recurring Basis (Details) - USD ($)
Jan. 31, 2018
Jan. 31, 2017
Mortgage notes payable, carrying amount $ 9,754,335 $ 8,075,757
Fair Values of Trust's Debt Instruments [Member]    
Mortgage notes payable, carrying amount 9,752,596 13,367,706
Mortgage notes payable, fair value 8,164,897 13,473,018
Notes payable to banks, carrying amount 952,213 2,019,758
Notes payable to banks, fair value 952,213 2,019,758
Other notes payable, carrying amount 1,954,405 18,069
Other notes payable, fair value $ 1,954,405 $ 18,195