Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)	3 Months Ended	12 Months Ended
	Apr. 30, 2018	Jan. 31, 2018
Accounts Receivable from related parties	$ 25,188	$ 15,113
Allowance for doubtful accounts receivable	$ 27,355	$ 28,564
Shares of Beneficial Interest, without par value
Shares of Beneficial Interest, authorized shares	Unlimited	Unlimited
Shares of Beneficial Interest, shares issued	18,596,215	18,572,215
Shares of Beneficial Interest, shares outstanding	9,644,066	9,775,669
Treasury Stock, shares held	8,946,149	8,796,546
Current Portion of Mortgage Notes Payable [Member]
Note payable, discount	$ 2,628	$ 2,628
Current Portion of Notes Payable to Banks [Member]
Note payable, discount	3,101	3,680
Mortgage Notes Payable [Member]
Note payable, discount	13,211	13,868
Notes Payable to Banks [Member]
Note payable, discount	$ 4,560	$ 4,902