Consolidated Statements of Earnings (USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net sales	$ 116,149,022	$ 136,448,786
Costs and expenses:
Cost of products sold	109,086,539	122,047,302
Selling, general and administrative	4,587,787	5,314,971
Costs and Expenses, Total	113,674,326	127,362,273
Operating profit (loss)	2,474,696	9,086,513
Interest and other income	62,012	58,764
EARNINGS BEFORE INCOME TAXES	2,536,708	9,145,277
Income taxes:
Current	996,063	3,093,185
Deferred	(172,281)	(83,720)
Total	823,782	3,009,465
NET EARNINGS	$ 1,712,926	$ 6,135,812
Weighted average number of common shares outstanding:
Basic	6,799,444	6,799,444
Diluted	6,799,444	6,799,444
Net earnings per share:
Basic	$ 0.25	$ 0.90
Diluted	$ 0.25	$ 0.90