Note 3 - Earnings Per Share (Details) - Earnings per share (EPS) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Apr. 30, 2014	Apr. 30, 2013
Basic EPS
Earnings available to common stockholders (in Dollars)	$ 51	$ 135
Earnings available to common stockholders	2,549	2,910
Earnings available to common stockholders (in Dollars per share)	$ 0.02	$ 0.05
Diluted EPS
Earnings available to common stockholders with assumed conversions (in Dollars)	$ 51	$ 135
Earnings available to common stockholders with assumed conversions	2,679	3,031
Earnings available to common stockholders with assumed conversions (in Dollars per share)	$ 0.02	$ 0.04
Restricted Stock [Member]
Effect of Dilutive Securities
Dilutive Securities	13	1
Employee Stock Option [Member]
Effect of Dilutive Securities
Dilutive Securities	117	120