CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (unaudited) (USD $)	Common Shares [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income/(Loss) [Member]	Treasury Shares [Member]	Total
Balances at Jan. 31, 2011	$ 1,592,868	$ 3,448,249	$ 93,113,247	$ (3,201,767)	$ (10,479,673)	$ 84,472,924
Net income	0	0	1,412,507	0	0	1,412,507
Other Comprehensive Income, net of tax	0	0	0	467,761	0	467,761
Dividends	0	0	(967,529)	0	0	(967,529)
Stock-based compensation	0	179,826	0	0	0	179,826
Stock option transactions	0	1,500	0	0	41,300	42,800
Purchase of 3,717 treasury shares	0	0	0	0	(42,800)	(42,800)
Balances at Apr. 30, 2011	1,592,868	3,629,575	93,558,225	(2,734,006)	(10,481,173)	85,565,489
Balances at Jan. 31, 2012	1,592,868	4,058,735	96,228,764	(7,718,883)	(10,339,513)	83,821,971
Net income	0	0	1,258,698	0	0	1,258,698
Other Comprehensive Income, net of tax	0	0	0	109,568	0	109,568
Dividends	0	0	(1,043,259)	0	0	(1,043,259)
Stock-based compensation	0	441,401	0	0	0	441,401
Balances at Apr. 30, 2012	$ 1,592,868	$ 4,500,136	$ 96,444,203	$ (7,609,315)	$ (10,339,513)	$ 84,588,379