CONSOLIDATED BALANCE SHEETS (unaudited) (USD $)	Oct. 31, 2012	Jan. 31, 2012
Current assets
Cash and cash equivalents	$ 31,842,244	$ 34,581,394
Short-term investments	1,022,266	764,061
Accounts receivable, net of allowance for doubtful accounts of approximately $232,000 and $491,000, respectively	20,895,152	17,373,121
Inventories	18,898,950	17,847,143
Prepaid expenses, deposits and other current assets	1,863,546	1,683,486
Deferred income taxes	167,399	186,329
Total current assets	74,689,557	72,435,534
Property, plant and equipment, net	18,896,612	19,322,436
Goodwill	20,798,913	20,798,913
Other assets	2,654,974	2,952,332
Total assets	117,040,056	115,509,215
Current liabilities
Current portion of debt	379,592	657,216
Accounts payable	8,134,747	7,684,739
Accrued salaries, wages and benefits	2,173,138	1,827,603
Other accrued expenses	3,991,571	2,357,929
Dividend payable	1,067,028	1,042,297
Customers' advances	1,188,423	3,232,600
Total current liabilities	16,934,499	16,802,384
Long-term debt	2,381,432	2,687,971
Accrued pension retirement benefits	9,307,757	10,618,047
Other non-current liabilities	58,039	56,391
Deferred income taxes	1,322,075	1,522,451
Total liabilities	30,003,802	31,687,244
Commitments and contingencies
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	4,736,738	4,058,735
Retained earnings	98,745,132	96,228,764
Accumulated other comprehensive loss	(7,768,315)	(7,718,883)
Treasury shares, at cost	(10,270,169)	(10,339,513)
Total shareholders' equity	87,036,254	83,821,971
Total liabilities and shareholders' equity	$ 117,040,056	$ 115,509,215