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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2018 | Jan. 31, 2018
Statement of Financial Position [Abstract] |  |
Accounts Receivable from related parties | $ 36,000 | $ 15,000
Allowance for doubtful accounts receivable | $ 6,000 | $ 29,000
Shares of Beneficial Interest, without par value |  |
Shares of Beneficial Interest, authorized shares | Unlimited | Unlimited
Shares of Beneficial Interest, shares issued | 18,590,215 | 18,572,215
Shares of Beneficial Interest, shares outstanding | 9,522,215 | 9,775,669
Treasury Stock, shares held | 9,068,000 | 8,796,546

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