Condensed Consolidated Balance Sheets (USD $)	Dec. 31, 2012	Mar. 31, 2012
CURRENT ASSETS:
Cash	$ 16,602,575	$ 11,881,548
Accounts receivable, net of allowances for bad debts and cash discounts of $27,276 and $37,276 at December 31 and March 31, 2012, respectively	6,687,453	16,284,377
Inventories	32,906,704	36,753,680
Other	836,314	88,286
TOTAL CURRENT ASSETS	57,033,046	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	30,260,323	29,839,104
Less accumulated depreciation	(26,662,188)	(25,324,113)
Property, Plant and Equipment, Net, Total	11,694,646	12,611,502
OTHER ASSETS:
Cash value of officers' life insurance and other assets	997,500	951,000
TOTAL ASSETS	69,725,192	78,570,393
CURRENT LIABILITIES:
Accounts payable and accrued expenses	4,626,855	12,091,154
Income taxes payable		98,464
Dividends payable	883,928	883,928
Contribution to profit-sharing plan	210,000	52,500
Employee compensation and related expenses	455,124	727,342
TOTAL CURRENT LIABILITIES	6,175,907	13,853,388
DEFERRED INCOME TAXES	376,486	445,999
POSTRETIREMENT BENEFITS OTHER THAN PENSIONS	920,797	853,738
STOCKHOLDERS' EQUITY:
Common stock, par value $1: Authorized shares - 10,000,000 Issued shares - 7,975,160 at December 31 and March 31, 2012	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 December 31 and March 31, 2012)	(5,475,964)	(5,475,964)
Retained earnings	30,749,132	31,914,398
TOTAL STOCKHOLDERS' EQUITY	62,252,002	63,417,268
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 69,725,192	$ 78,570,393