Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended			9 Months Ended
	Oct. 31, 2015	Oct. 31, 2014		Oct. 31, 2015	Oct. 31, 2014
Numerator
Net income (loss) from continuing operations	$ 2,120	$ (1,755)	[1]	$ 7,868	$ (839)	[1]
Net loss from discontinued operations	0	(745)	[1]	(2,485)	(2,047)	[1]
Net income (loss)	$ 2,120	$ (2,500)	[1]	$ 5,383	$ (2,886)	[1]
Denominator
Denominator for basic earnings per share Weighted-average shares which reflect 356,441 shares in the treasury as a result of the stock repurchase program that ended in 2011	7,234,914	5,592,559		7,148,430	5,436,959
Weighted average common equivalent shares resulting from the warrant issued June 28, 2013 to the subordinated debt lender LKL Investments LLC	0	359,054		0	496,270
Total weighted average, including common equivalent shares	7,234,914	5,951,613	[1]	7,148,430	5,933,229	[1]
Effect of dilutive securities from restricted stock plan and from dilutive effect of stock options	65,521	0		86,822	0
Denominator for diluted earnings per share (adjusted weighted average shares)	7,300,435	5,951,613	[1]	7,235,252	5,933,229	[1]
Basic earnings (Loss) per share from continuing operations (in dollars per share)	$ 0.29	$ (0.29)	[1]	$ 1.1	$ (0.14)	[1]
Basic (loss) per share from discontinued operations (in dollars per share)	0	(0.13)	[1]	(0.35)	(0.35)	[1]
Basic earnings (loss) per share (in dollars per share)	0.29	(0.42)	[1]	0.75	(0.49)	[1]
Diluted earnings per share from continuing operations (in dollars per share)	0.29	(0.29)	[1]	1.08	(0.14)	[1]
Diluted (loss) per share from discontinued operations (in dollars per share)	0	(0.13)	[1]	(0.34)	(0.35)	[1]
Diluted earnings (loss) per share (in dollars per share)	$ 0.29	$ (0.42)	[1]	$ 0.74	$ (0.49)	[1]

[1] Restated for discontinued operations.