CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (unaudited) (USD $)	Common Shares	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income/(Loss)	Treasury Shares	Total
Balances at Jan. 31, 2010	$ 1,592,868	$ 2,988,950	$ 90,662,820	$ (3,679,641)	$ (10,587,413)	$ 80,977,584
Comprehensive income:
Net income	0	0	2,963,808	0	0	2,963,808
Foreign currency translation adjustment	0	0	0	(325,895)	0
Interest rate swap	0	0	0	(57,514)	0
Total comprehensive income						2,580,399
Dividends	0	0	(1,755,161)	0	0	(1,755,161)
Stock based compensation	0	322,944	0	0	0	322,944
Stock option transactions	0	8,049	0	0	244,875	252,924
Purchase of treasury shares	0	0	0	0	(266,847)	(266,847)
Balances at Jul. 31, 2010	1,592,868	3,319,943	91,871,467	(4,063,050)	(10,609,385)	82,111,843
Balances at Jan. 31, 2011	1,592,868	3,448,249	93,113,247	(3,201,767)	(10,479,673)	84,472,924
Comprehensive income:
Net income	0	0	2,902,741	0	0	2,902,741
Foreign currency translation adjustment	0	0	0	346,920	0
Interest rate swap	0	0	0	(27,733)	0
Total comprehensive income						3,221,928
Dividends	0	0	(1,935,059)	0	0	(1,935,059)
Stock based compensation	0	359,652	0	0	0	359,652
Stock option transactions	0	1,500	0	0	41,300	42,800
Purchase of treasury shares	0	0	0	0	(42,800)	(42,800)
Balances at Jul. 31, 2011	$ 1,592,868	$ 3,809,401	$ 94,080,929	$ (2,882,580)	$ (10,481,173)	$ 86,119,445