Consolidated Balance Sheets (USD $)	Mar. 31, 2012	Mar. 31, 2011
CURRENT ASSETS:
Cash	$ 11,881,548	$ 7,210,290
Accounts receivable, net of allowances for bad debts and cash discounts of $37,276 at March 31, 2012 and 2011, respectively	16,284,377	12,594,954
Inventories	36,753,680	34,679,270
Other	88,286	77,830
TOTAL CURRENT ASSETS	65,007,891	54,562,344
PROPERTY, PLANT AND EQUIPMENT:
Land	1,082,331	1,082,331
Buildings and yard improvements	7,014,180	7,014,180
Machinery and equipment	29,839,104	29,876,767
Less accumulated depreciation	(25,324,113)	(23,841,491)
Total property, plant and equipment	12,611,502	14,131,787
OTHER ASSETS:
Cash value of officers' life insurance and other assets	951,000	890,000
TOTAL ASSETS	78,570,393	69,584,131
CURRENT LIABILITIES:
Accounts payable and accrued expenses	12,091,154	7,338,762
Dividends payable	883,928	747,939
Income taxes payable	98,464	350,961
Contribution to profit sharing plan	52,500	50,000
Employee compensation and related expenses	727,342	979,713
TOTAL CURRENT LIABILITIES	13,853,388	9,467,375
DEFERRED INCOME TAXES	445,999	536,699
POSTRETIREMENT BENEFITS OTHER THAN PENSIONS	853,738	777,543
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY:
Common stock, par value $1: Authorized shares - 10,000,000; Issued shares - 7,975,160 at March 31, 2012 and 2011, respectively	7,975,160	7,975,160
Additional paid-in capital	29,003,674	29,003,674
Treasury stock at cost (1,175,716 shares at March 31, 2012 and 2011, respectively)	(5,475,964)	(5,475,964)
Retained earnings	31,914,398	27,299,644
TOTAL STOCKHOLDERS' EQUITY	63,417,268	58,802,514
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 78,570,393	$ 69,584,131