CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Jan. 31, 2011	$ 55,687	$ (3,012,920)	$ 50,279,613	$ 26,193,049	$ 651,812	$ 74,167,241
Balance (in shares) at Jan. 31, 2011	5,568,744	(314,441)
Net loss	0	0	0	(376,825)	0	(376,825)
Other comprehensive loss	0	0	0	0	(677,301)	(677,301)
Stock based compensation:
Grant of director stock options	0	0	22,280	0	0	22,280
Restricted stock issued at par	132	0	(132)	0	0	0
Restricted stock issued at par (in shares)	13,175	0
Restricted Stock Plan:
2006 Plan	0	0	4,465	0	0	4,465
2009 Plan	0	0	516,797	0	0	516,797
Return of shares in lieu of payroll tax withholding	0	0	(50,429)	0	0	(50,429)
Stock repurchase program	0	(339,371)	0	0	0	(339,371)
Stock repurchase program (in shares)	0	(42,000)
Balance at Jan. 31, 2012	55,819	(3,352,291)	50,772,594	25,816,224	(25,489)	73,266,857
Balance (in shares) at Jan. 31, 2012	5,581,919	(356,441)
Net loss	0	0	0	(26,288,669)	0	(26,288,669)
Other comprehensive loss	0	0	0	0	(1,188,626)	(1,188,626)
Stock based compensation:
Grant of director stock options	0	0	24,630	0	0	24,630
Restricted stock issued at par	1,067	0	(1,067)	0	0	0
Restricted stock issued at par (in shares)	106,681	0
Restricted Stock Plan:
2009 Plan	0	0	144,617	0	0	144,617
2012 Plan	0	0	163,514	0	0	163,514
Return of shares in lieu of payroll tax withholding	0	0	(131,223)	0	0	(131,223)
Stock repurchase program	0	0	0	0	0	0
Balance at Jan. 31, 2013	$ 56,886	$ (3,352,291)	$ 50,973,065	$ (472,445)	$ (1,214,115)	$ 45,991,100
Balance (in shares) at Jan. 31, 2013	5,688,600	(356,441)