Condensed Consolidated Statements of Cash flows (USD $)	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
OPERATING ACTIVITIES
Net earnings (loss)	$ (118,250)	$ 808,359
Adjustments to reconcile net earnings (loss) to cash provided by (used in) operating activities:
Depreciation	443,849	456,898
Provision for deferred taxes	(37,448)	(102,845)
Change in postretirement benefits	19,208	22,353
Decrease (increase) in operating assets:
Accounts receivable	1,240,793	579,356
Inventories	(3,624,589)	7,197,984
Other current assets	100,189	92,311
Increase (decrease) in operating liabilities:
Accounts payable and accrued expenses	(1,643,532)	(6,851,767)
Contribution to profit sharing plan	52,500	52,500
Employee compensation and related expenses	(52,815)	(62,729)
Deferred credit for LIFO inventory replacement		54,625
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	(3,620,095)	2,247,045
INVESTING ACTIVITIES
Purchase of property, plant and equipment	(521,512)	(14,590)
Increase in cash surrender value of officers' life insurance	(15,250)	(15,500)
NET CASH USED IN INVESTING ACTIVITIES	(536,762)	(30,090)
FINANCING ACTIVITIES
Cash dividends paid	(135,989)	(543,956)
NET CASH USED IN FINANCING ACTIVITIES	(135,989)	(543,956)
INCREASE (DECREASE) IN CASH	(4,292,846)	1,672,999
Cash at beginning of period	15,081,024	15,923,294
CASH AT END OF PERIOD	$ 10,788,178	$ 17,596,293