Condensed Consolidated Balance Sheets (Unaudited) (USD $)
Sep. 30, 2012
Mar. 31, 2012
CURRENT ASSETS:    
Cash $ 20,683,557 $ 11,881,548
Accounts receivable, net of allowances for bad debts and cash discounts of $37,276 at September 30 and March 31, 2012 8,301,540 16,284,377
Inventories 34,212,932 36,753,680
Other 298,178 88,286
TOTAL CURRENT ASSETS 63,496,207 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 29,929,301 29,839,104
Less accumulated depreciation (26,222,088) (25,324,113)
Total property, plant and equipment 11,803,724 12,611,502
OTHER ASSETS:    
Cash value of officers' life insurance and other assets 982,000 951,000
TOTAL ASSETS 76,281,931 78,570,393
CURRENT LIABILITIES:    
Accounts payable and accrued expenses 7,866,559 12,091,154
Income taxes payable    98,464
Dividends payable 883,928 883,928
Contribution to profit sharing plan 157,500 52,500
Employee compensation and related expenses 692,489 727,342
TOTAL CURRENT LIABILITIES 9,600,476 13,853,388
DEFERRED INCOME TAXES 397,416 445,999
POSTRETIREMENT BENEFITS OTHER THAN PENSIONS 898,444 853,738
STOCKHOLDERS' EQUITY:    
Common stock, par value $1: Authorized shares - 10,000,000 Issued shares - 7,975,160 at September 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 September 30 and March 31, 2012) (5,475,964) (5,475,964)
Retained earnings 33,882,725 31,914,398
TOTAL STOCKHOLDERS' EQUITY 65,385,595 63,417,268
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY $ 76,281,931 $ 78,570,393