COMPUTATION OF NET (LOSS) INCOME PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2016	Apr. 30, 2015
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net (loss) income	$ (2,742)	$ 549
Less: Dividends declared	(1,316)	(1,299)
Undistributed net loss	(4,058)	(750)
Net (loss) income per share [Abstract]
Dividends declared	1,316	1,299
Allocation of undistributed net loss	(4,058)	(750)
Net (loss) income attributable to common stock	(2,742)	549
Common Class A [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net (loss) income	(2,341)	468
Less: Dividends declared	(1,124)	(1,107)
Undistributed net loss	(3,465)	(639)
Net (loss) income per share [Abstract]
Dividends declared	1,124	1,107
Allocation of undistributed net loss	(3,465)	(639)
Net (loss) income attributable to common stock	$ (2,341)	$ 468
Weighted average shares of common stock outstanding-basic (in shares)	15,594	15,262
Weighted average potential shares of common stock (in shares)	0	786
Weighted average shares of common stock and potential common shares outstanding-diluted (in shares)	15,594	16,048
Basic net (loss) income per common share (in dollars per share)	$ (0.15)	$ 0.03
Diluted net (loss) income per common share (in dollars per share)	$ (0.15)	$ 0.03
Antidilutive securities excluded from computation of net income per share (in shares)	2,807	326
Common Class B [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net (loss) income	$ (401)	$ 81
Less: Dividends declared	(192)	(192)
Undistributed net loss	(593)	(111)
Net (loss) income per share [Abstract]
Dividends declared	192	192
Allocation of undistributed net loss	(593)	(111)
Net (loss) income attributable to common stock	$ (401)	$ 81
Weighted average shares of common stock outstanding-basic (in shares)	3,204	3,196
Weighted average potential shares of common stock (in shares)	0	83
Weighted average shares of common stock and potential common shares outstanding-diluted (in shares)	3,204	3,279
Basic net (loss) income per common share (in dollars per share)	$ (0.13)	$ 0.03
Diluted net (loss) income per common share (in dollars per share)	$ (0.13)	$ 0.02
Antidilutive securities excluded from computation of net income per share (in shares)	349	60