Condensed Consolidated Balance Sheets (USD $)	Jun. 30, 2013	Mar. 31, 2013
CURRENT ASSETS:
Cash	$ 17,596,293	$ 15,923,294
Accounts receivable, net of allowances for bad debts and cash discounts of $32,276 and $37,276 at June 30 and March 31, 2013	8,458,192	9,037,548
Inventories	32,021,184	39,219,168
Other	11,236	103,547
TOTAL CURRENT ASSETS	58,086,905	64,283,557
PROPERTY, PLANT AND EQUIPMENT:
Land	1,082,331	1,082,331
Buildings and yard improvements	7,014,180	7,014,180
Machinery and equipment	30,308,179	30,293,590
Less accumulated depreciation	(27,568,429)	(27,111,529)
Property, Plant and Equipment, Net, Total	10,836,261	11,278,572
OTHER ASSETS:
Cash value of officers' life insurance and other assets	1,028,500	1,013,000
TOTAL ASSETS	69,951,666	76,575,129
CURRENT LIABILITIES:
Accounts payable and accrued expenses	4,330,037	11,181,804
Deferred credit for LIFO inventory replacement	54,625
Dividends payable	543,956	543,956
Contribution to profit sharing plan	105,000	52,500
Employee compensation and related expenses	471,093	533,822
TOTAL CURRENT LIABILITIES	5,504,711	12,312,082
DEFERRED INCOME TAXES	259,434	362,279
POSTRETIREMENT BENEFITS OTHER THAN PENSIONS	965,502	943,149
STOCKHOLDERS' EQUITY:
Common stock, par value $1: Authorized shares - 10,000,000 Issued shares - 7,975,160 at June 30 and March 31, 2013	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 June 30 and March 31, 2013)	(5,475,964)	(5,475,964)
Retained earnings	31,719,149	31,454,749
TOTAL STOCKHOLDERS' EQUITY	63,222,019	62,957,619
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 69,951,666	$ 76,575,129