CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	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, 2012	$ 14	$ 4	$ 148,993	$ (27,968)	$ (48,974)	$ (10,054)	$ 62,015
Balance (in shares) at Jan. 31, 2012	14,146	3,537		(1,804)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	0	6,639	0	6,639
Foreign currency translation adjustments	0	0	0	0	0	2,018	2,018
Stock award exercises	0	0	(1,322)	985	(138)	0	(475)
Stock award exercises (in shares)	1	0		63
Stock-based compensation income tax benefits (deficiencies)	0	0	(312)	0	0	0	(312)
Stock compensation expense	0	0	4,608	0	0	0	4,608
Dividends declared	0	0	0	0	(8,677)	0	(8,677)
Dividends paid in stock	0	0	0	799	(177)	0	622
Dividends paid in stock (in shares)	0	0		50
Restricted stock	0	0	(2,190)	2,621	(1,141)	0	(710)
Restricted stock (in shares)	1	0		166
Repurchase of common stock	0	0	0	(7,530)	0	0	(7,530)
Repurchase of common stock (in shares)	0	0		(572)
Proceeds from stock issuance, net of costs							0
Balance at Jan. 31, 2013	14	4	149,777	(31,093)	(52,468)	(8,036)	58,198
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
Restricted stock	0	0	(1,649)	1,914	(841)	0	(576)
Restricted stock (in shares)	0	0		118
Repurchase of common stock	0	0	0	(686)	0	0	(686)
Repurchase of common stock (in shares)	0	0		(52)
Proceeds from stock issuance, net of costs							0
Balance at Jan. 31, 2014	14	4	150,837	(28,220)	(51,472)	(6,958)	64,205
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
Restricted stock	0	0	(2,125)	1,494	(349)	0	(980)
Restricted stock (in shares)	1	0		121
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
Balance at Jan. 31, 2015	$ 16	$ 4	$ 185,546	$ (22,977)	$ (43,465)	$ (7,418)	$ 111,706
Balance (in shares) at Jan. 31, 2015	16,152	3,537		(1,610)