INCOME TAXES (Details) - Schedule of Deferred Tax Assets and Liabilities - USD ($)	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2017
Schedule of Deferred Tax Assets and Liabilities [Abstract]
General business credit carryforward	$ 36,198,000	$ 26,523,000
Accrued liabilities	136,000	308,000
State net operating loss carryforward	366,000	294,000
Other items	230,000	647,000
Valuation allowance	(232,000)	(232,000)	$ (241,000)	$ (417,000)
Total	36,698,000	27,540,000
Basis in pass through entities, including depreciation	(23,823,000)	(25,725,000)
Other	(148,000)	(157,000)
Total	(23,971,000)	(25,882,000)
Net deferred tax asset	$ 12,727,000	$ 1,658,000