CONSOLIDATED BALANCE SHEETS (unaudited) (USD $)	Jul. 31, 2012	Jan. 31, 2012
Current assets
Cash and cash equivalents	$ 31,173,910	$ 34,581,394
Short-term investments	1,022,266	764,061
Accounts receivable, net of allowance for doubtful accounts of approximately $393,000 and $491,000, respectively	17,782,160	17,373,121
Inventories	17,927,911	17,847,143
Prepaid expenses, deposits and other current assets	2,122,429	1,683,486
Deferred income taxes	186,111	186,329
Total current assets	70,214,787	72,435,534
Property, plant and equipment, net	18,905,209	19,322,436
Goodwill	20,798,913	20,798,913
Other assets	2,859,678	2,952,332
Total assets	112,778,587	115,509,215
Current liabilities
Current portion of debt	569,963	657,216
Accounts payable	7,371,543	7,684,739
Accrued salaries, wages and benefits	1,799,692	1,827,603
Other accrued expenses	2,625,231	2,357,929
Dividend payable	1,043,876	1,042,297
Customers' advances	1,441,639	3,232,600
Total current liabilities	14,851,944	16,802,384
Long-term debt	2,477,041	2,687,971
Accrued pension retirement benefits	9,196,595	10,618,047
Other non-current liabilities	57,489	56,391
Deferred income taxes	1,314,255	1,522,451
Total liabilities	27,897,324	31,687,244
Shareholders' equity
Common shares, $.10 par value; 36,000,000 shares authorized, 15,928,679 shares issued, of which 1,241,666 and 1,250,051 shares were reacquired and held in Treasury	1,592,868	1,592,868
Additional paid-in capital	4,582,952	4,058,735
Retained earnings	97,020,326	96,228,764
Accumulated other comprehensive loss	(8,044,714)	(7,718,883)
Treasury shares, at cost	(10,270,169)	(10,339,513)
Total shareholders' equity	84,881,263	83,821,971
Total liabilities and shareholders' equity	$ 112,778,587	$ 115,509,215