Condensed Consolidated Balance Sheets (USD $)	Dec. 31, 2013	Mar. 31, 2013
CURRENT ASSETS:
Cash	$ 17,089,296	$ 15,923,294
Accounts receivable, net of allowances for bad debts and cash discounts of $27,276 and $37,276 at December 31 and March 31, 2013, respectively	4,938,697	9,037,548
Inventories	38,027,470	39,219,168
Other	239,459	103,547
TOTAL CURRENT ASSETS	60,294,922	64,283,557
PROPERTY, PLANT AND EQUIPMENT:
Land	1,109,372	1,082,331
Buildings and yard improvements	7,014,180	7,014,180
Machinery and equipment	30,634,646	30,293,590
Less accumulated depreciation	(28,479,829)	(27,111,529)
Property, Plant and Equipment, Net, Total	10,278,369	11,278,572
OTHER ASSETS:
Cash value of officers' life insurance and other assets	1,059,500	1,013,000
TOTAL ASSETS	71,632,791	76,575,129
CURRENT LIABILITIES:
Accounts payable and accrued expenses	6,702,944	11,181,804
Dividends payable	135,989	543,956
Contribution to profit-sharing plan	210,000	52,500
Employee compensation and related expenses	317,932	533,822
TOTAL CURRENT LIABILITIES	7,366,865	12,312,082
DEFERRED INCOME TAXES	213,143	362,279
POSTRETIREMENT BENEFITS OTHER THAN PENSIONS	995,579	943,149
STOCKHOLDERS' EQUITY:
Common stock, par value $1: Authorized shares - 10,000,000 Issued shares - 7,975,160 at December 31 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 December 31 and March 31, 2013)	(5,475,964)	(5,475,964)
Retained earnings	31,554,334	31,454,749
TOTAL STOCKHOLDERS' EQUITY	63,057,204	62,957,619
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 71,632,791	$ 76,575,129