Consolidated Balance Sheets (USD $)	Mar. 31, 2013	Mar. 31, 2012
CURRENT ASSETS:
Cash	$ 15,923,294	$ 11,881,548
Accounts receivable, net of allowances for bad debts and cash discounts of $37,276 at March 31, 2013 and 2012, respectively	9,037,548	16,284,377
Inventories	39,219,168	36,753,680
Other	103,547	88,286
TOTAL CURRENT ASSETS	64,283,557	65,007,891
PROPERTY, PLANT AND EQUIPMENT:
Land	1,082,331	1,082,331
Buildings and yard improvements	7,014,180	7,014,180
Machinery and equipment	30,293,590	29,839,104
Less accumulated depreciation	(27,111,529)	(25,324,113)
Property, Plant and Equipment, Net, Total	11,278,572	12,611,502
OTHER ASSETS:
Cash value of officers' life insurance and other assets	1,013,000	951,000
TOTAL ASSETS	76,575,129	78,570,393
CURRENT LIABILITIES:
Accounts payable and accrued expenses	11,181,804	12,091,154
Dividends payable	543,956	883,928
Income taxes payable		98,464
Contribution to profit sharing plan	52,500	52,500
Employee compensation and related expenses	533,822	727,342
TOTAL CURRENT LIABILITIES	12,312,082	13,853,388
DEFERRED INCOME TAXES	362,279	445,999
POSTRETIREMENT BENEFITS OTHER THAN PENSIONS	943,149	853,738
STOCKHOLDERS' EQUITY:
Common stock, par value $1: Authorized shares - 10,000,000 Issued shares - 7,975,160 at March 31, 2013 and 2012, 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, 2013 and 2012, respectively)	(5,475,964)	(5,475,964)
Retained earnings	31,454,749	31,914,398
TOTAL STOCKHOLDERS' EQUITY	62,957,619	63,417,268
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 76,575,129	$ 78,570,393