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Equity and Stock-Based Compensation	3 Months Ended
Equity and Stock-Based Compensation	Apr. 30, 2018
Equity [Abstract]
Equity and Stock-Based Compensation	Equity and Stock-Based Compensation During the three months ended April 30, 2018, the Company’s Board of Directors declared quarterly dividends of $0.5625 per share for our Preferred Stock. See note 10 to our condensed consolidated financial statements. Total compensation expense recognized for stock-based awards granted under the Company’s equity incentive plan during the three months ended April 30, 2018 and 2017 was approximately $126,000 and $224,000, respectively