Condensed Consolidated Balance Sheets (USD $)	Sep. 30, 2013	Mar. 31, 2013
CURRENT ASSETS:
Cash	$ 13,980,750	$ 15,923,294
Accounts receivable, net of allowances for bad debts and cash discounts of $32,276 and $37,276 at September 30 and March 31, 2013, respectively	7,528,462	9,037,548
Inventories	39,497,612	39,219,168
Other	357,858	103,547
TOTAL CURRENT ASSETS	61,364,682	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	30,446,609	30,293,590
Less accumulated depreciation	(28,025,329)	(27,111,529)
Property, Plant and Equipment, Net, Total	10,517,791	11,278,572
OTHER ASSETS:
Cash value of officers' life insurance and other assets	1,044,000	1,013,000
TOTAL ASSETS	72,926,473	76,575,129
CURRENT LIABILITIES:
Accounts payable and accrued expenses	7,880,535	11,181,804
Deferred credit for LIFO inventory replacement	32,213
Dividends payable	543,956	543,956
Contribution to profit sharing plan	157,500	52,500
Employee compensation and related expenses	392,153	533,822
TOTAL CURRENT LIABILITIES	9,006,357	12,312,082
DEFERRED INCOME TAXES	236,288	362,279
POSTRETIREMENT BENEFITS OTHER THAN PENSIONS	978,103	943,149
STOCKHOLDERS' EQUITY:
Common stock, par value $1: Authorized shares - 10,000,000 Issued shares - 7,975,160 at September 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 September 30 and March 31, 2013)	(5,475,964)	(5,475,964)
Retained earnings	31,202,855	31,454,749
TOTAL STOCKHOLDERS' EQUITY	62,705,725	62,957,619
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 72,926,473	$ 76,575,129