Condensed Consolidated Balance Sheets (Unaudited) (USD $)
Jun. 30, 2012
Mar. 31, 2012
CURRENT ASSETS:    
Cash $ 13,856,998 $ 11,881,548
Accounts receivable, net of allowances for bad debts and cash discounts of $37,276 at June 30 and March 31, 2012 11,639,338 16,284,377
Inventories 34,840,175 36,753,680
Other 8,893 88,286
TOTAL CURRENT ASSETS 60,345,404 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 29,884,679 29,839,104
Less accumulated depreciation (25,771,788) (25,324,113)
Total property, plant and equipment 12,209,402 12,611,502
OTHER ASSETS:    
Cash value of officers' life insurance and other assets 966,500 951,000
TOTAL ASSETS 73,521,306 78,570,393
CURRENT LIABILITIES:    
Accounts payable and accrued expenses 4,933,881 12,091,154
Income taxes payable 940,935 98,464
Dividends payable 883,928 883,928
Contribution to profit sharing plan 105,000 52,500
Employee compensation and related expenses 737,930 727,342
TOTAL CURRENT LIABILITIES 7,601,674 13,853,388
DEFERRED INCOME TAXES 418,346 445,999
POSTRETIREMENT BENEFITS OTHER THAN PENSIONS 876,092 853,738
STOCKHOLDERS' EQUITY:    
Common stock, par value $1: Authorized shares - 10,000,000 Issued shares - 7,975,160 at June 30 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 June 30 and March 31, 2012) (5,475,964) (5,475,964)
Retained earnings 33,122,324 31,914,398
TOTAL STOCKHOLDERS' EQUITY 64,625,194 63,417,268
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY $ 73,521,306 $ 78,570,393