CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended	12 Months Ended
	Jul. 31, 2014	Jul. 31, 2014	Jan. 31, 2014	Jan. 31, 2013
Stockholders' equity	$ 81,756	$ 81,756	$ 76,638	$ 54,255
Net income	1,364	5,191	21,027
Stock options exercised		271	1,588
Stock-based compensation expense (benefit)		(210)	196
Shares issued		58	5
Interest rate swap		(29)	151
Pension liability adjustment			966
Foreign currency translation adjustments		(168)	(1,267)
Tax benefit on above items		5	(283)
Common Stock [Member]
Stockholders' equity	73	73	72	69
Stock options exercised		1	3
Shares, Outstanding	7,282,726	7,282,726	7,168,537	6,924,084
Shares issued		114,189	244,453
Additional Paid-in Capital [Member]
Stockholders' equity	52,262	52,262	52,144	50,358
Stock options exercised		270	1,585
Stock-based compensation expense (benefit)		(210)	196
Shares issued		58	5
Retained Earnings [Member]
Stockholders' equity	30,773	30,773	25,582	4,553
Net income		5,191	21,027
Foreign currency translation adjustments		0	2
Accumulated Other Comprehensive Income (Loss) [Member]
Stockholders' equity	(1,352)	(1,352)	(1,160)	(725)
Interest rate swap		(29)	151
Pension liability adjustment			966
Foreign currency translation adjustments		(168)	(1,269)
Tax benefit on above items		$ 5	$ (283)