COMPUTATION OF NET INCOME (LOSS) PER SHARE (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Apr. 30, 2015	Apr. 30, 2014
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	$ 549us-gaap_NetIncomeLoss	$ (76)us-gaap_NetIncomeLoss
Less: Dividends declared	(1,299)us-gaap_DividendsCommonStock	(1,103)us-gaap_DividendsCommonStock
Undistributed net loss	(750)us-gaap_UndistributedEarnings	(1,179)us-gaap_UndistributedEarnings
Net income (loss) per share [Abstract]
Dividends declared	1,299us-gaap_DividendsCommonStock	1,103us-gaap_DividendsCommonStock
Allocation of undistributed net loss	(750)us-gaap_UndistributedEarnings	(1,179)us-gaap_UndistributedEarnings
Net income (loss) attributable to common stock	549us-gaap_NetIncomeLoss	(76)us-gaap_NetIncomeLoss
Common Class A [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	468	(64)
Less: Dividends declared	(1,107)	(912)
Undistributed net loss	(639)	(976)
Net income (loss) per share [Abstract]
Dividends declared	1,107	912
Allocation of undistributed net loss	(639)	(976)
Net income (loss) attributable to common stock	468	(64)
Weighted average shares of common stock outstanding-basic (in shares)	15,262	12,628
Weighted average potential shares of common stock (in shares)	786	0
Weighted average shares of common stock and potential common shares outstanding-diluted (in shares)	16,048	12,628
Basic net income (loss) per common share (in dollars per share)	$ 0.03	$ (0.01)
Diluted net income (loss) per common share (in dollars per share)	$ 0.03	$ (0.01)
Antidilutive securities excluded from computation of net income (loss) per share (in shares)	326	2,778
Common Class B [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	81	(12)
Less: Dividends declared	(192)	(191)
Undistributed net loss	(111)	(203)
Net income (loss) per share [Abstract]
Dividends declared	192	191
Allocation of undistributed net loss	(111)	(203)
Net income (loss) attributable to common stock	$ 81	$ (12)
Weighted average shares of common stock outstanding-basic (in shares)	3,196	3,168
Weighted average potential shares of common stock (in shares)	83	0
Weighted average shares of common stock and potential common shares outstanding-diluted (in shares)	3,279	3,168
Basic net income (loss) per common share (in dollars per share)	$ 0.03	$ 0
Diluted net income (loss) per common share (in dollars per share)	$ 0.02	$ 0
Antidilutive securities excluded from computation of net income (loss) per share (in shares)	60	371

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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