Summary of Quarterly Results of Operations (Unaudited)

12 Months Ended

Mar. 31, 2012

Summary of Quarterly Results of Operations [Abstract]

SUMMARY OF QUARTERLY RESULTS OF OPERATIONS (Unaudited)

8.   SUMMARY OF QUARTERLY RESULTS OF OPERATIONS (Unaudited)

The following is a summary of unaudited quarterly results of operations for the years ended March 31, 2012 and 2011:

	Quarter Ended
	June 30, 2011		September 30, 2011		December 31, 2011		March 31, 2012
Net sales	$	38,935,456	$	42,039,282	$	36,987,260	$	43,559,995
Gross profit		4,156,825		4,886,403		3,932,881		4,630,364
Net earnings		1,831,411		2,314,908		1,799,249		2,204,896
Basic(1)		.27		.34		.26		.32
Diluted(1)		.27		.34		.26		.32

	Quarter Ended
	June 30, 2010		September 30, 2010		December 31, 2010		March 31, 2011
Net sales	$	29,222,232	$	29,353,262	$	31,135,887	$	41,998,111
Gross profit		3,437,938		3,887,713		3,770,753		6,211,781
Net earnings		1,435,137		1,784,431		1,733,494		3,202,575
Basic(1)		.21		.26		.25		.47
Diluted(1)		.21		.26		.25		.47

(1) The sum of the quarterly earnings per share does not equal the annual amount reported as per share amounts were computed independently for each quarter.