CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Class A [Member]	Common Class B [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Balance at Jan. 31, 2013	$ 14	$ 4	$ 149,777	$ (31,093)	$ (53,609)	$ (8,036)	$ 57,057
Balance (in shares) at Jan. 31, 2013	14,148	3,537		(2,097)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	$ 0	0	$ 0	6,386	0	6,386
Foreign currency translation adjustments	0	0	0	0	0	1,078	1,078
Stock award exercises	$ 0	$ 0	(2,023)	$ 1,473	(160)	0	(710)
Stock award exercises (in shares)	2	0		91
Stock-based compensation income tax benefits (deficiencies)	$ 0	$ 0	52	$ 0	0	0	52
Stock compensation expense	0	0	4,680	0	0	0	4,680
Dividends declared	0	0	0	0	(4,362)	0	(4,362)
Dividends paid in stock	$ 0	$ 0	0	$ 172	(27)	0	145
Dividends paid in stock (in shares)	0	0		10
Repurchase of common stock	$ 0	$ 0	0	$ (686)	0	0	(686)
Repurchase of common stock (in shares)	0	0		(52)
Restricted stock	$ 0	$ 0	(1,649)	$ 1,914	(841)	0	(576)
Restricted stock (in shares)	0	0		118
Balance at Jan. 31, 2014	$ 14	$ 4	150,837	$ (28,220)	(52,613)	(6,958)	63,064
Balance (in shares) at Jan. 31, 2014	14,150	3,537		(1,930)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	$ 0	0	$ 0	12,946	0	12,946
Foreign currency translation adjustments	0	0	0	0	0	(460)	(460)
Stock award exercises	$ 0	$ 0	(5,188)	$ 3,749	(138)	0	(1,577)
Stock award exercises (in shares)	1	0		199
Stock-based compensation income tax benefits (deficiencies)	$ 0	$ 0	(15)	$ 0	0	0	(15)
Stock compensation expense	0	0	4,993	0	0	0	4,993
Dividends declared	0	0	0	0	(4,452)	0	(4,452)
Dividends paid in stock							0
Proceeds from stock issuance, net of costs	$ 2	$ 0	37,044	$ 0	0	0	37,046
Proceeds from stock issuance, net of costs (in shares)	2,000	0		0
Restricted stock	$ 0	$ 0	(2,125)	$ 1,494	(349)	0	(980)
Restricted stock (in shares)	1	0		121
Balance at Jan. 31, 2015	$ 16	$ 4	185,546	$ (22,977)	(44,606)	(7,418)	110,565
Balance (in shares) at Jan. 31, 2015	16,152	3,537		(1,610)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	$ 0	0	$ 0	8,912	0	8,912
Foreign currency translation adjustments	0	0	0	0	0	(1,311)	(1,311)
Stock award exercises	$ 0	$ 0	(3,289)	$ 2,207	(9)	0	(1,091)
Stock award exercises (in shares)	0	0		105
Stock-based compensation income tax benefits (deficiencies)	$ 0	$ 0	736	$ 0	0	0	736
Stock compensation expense	0	0	7,440	0	0	0	7,440
Dividends declared	0	0	0	0	(5,235)	0	(5,235)
Dividends paid in stock							0
Proceeds from stock issuance, net of costs	$ 1	$ 0	8,364	$ 0	0	0	8,365
Proceeds from stock issuance, net of costs (in shares)	450	0		0
Restricted stock	$ 0	$ 0	(3,378)	$ 2,053	(45)	0	(1,370)
Restricted stock (in shares)	2	0		139
Balance at Jan. 31, 2016	$ 17	$ 4	$ 195,419	$ (18,717)	$ (40,983)	$ (8,729)	$ 127,011
Balance (in shares) at Jan. 31, 2016	16,604	3,537		(1,366)