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Related Party Transaction	3 Months Ended
Related Party Transaction	Apr. 30, 2018
Related Party Transactions [Abstract]
Related Party Transaction	Related Party Transaction On October 7, 2016 the Company entered into an equity distribution agreement (the “Equity Distribution Agreement”) with Ladenburg Thalmann & Co. Inc. (the “Agent”), pursuant to which the Company may sell up to 500,000 shares of 9.00% Series A Cumulative Preferred Stock (the "Preferred Stock"), par value $1.00 per share through the Agent through an at the market (“ATM”) offering program. The Co-Chief Executive Officer and Co-President of Ladenburg Thalmann & Co. Inc is the Non-Executive Chairman of the Company’s board of directors. Under the Equity Distribution Agreement, the Agent will be entitled to compensation of up to 2.0% of the gross proceeds from the sale of Preferred Stock under the ATM program. For the three months ended April 30, 2018, the Company issued 13,713 shares of Preferred Stock under the ATM offering program. Gross proceeds from these sales were approximately $319,000 and the Agent received compensation of approximately $6,000. The Non-Executive Chairman of the Company received no portion of this compensation.