CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net sales	$ 8,078,552	$ 7,147,167	$ 15,224,291	$ 16,323,607
Cost of sales	6,140,187	5,231,710	12,180,487	11,981,227
Gross profit	1,938,365	1,915,457	3,043,804	4,342,380
Selling, general and administrative	1,924,079	1,953,978	3,924,599	3,686,649
Income (loss) from operations	14,286	(38,521)	(880,795)	655,731
Other income	2,558		2,511
Interest expense	(74,394)	(78,531)	(154,485)	(137,221)
Interest income	1,188	8,460	2,881	10,406
Total other expense, net	(70,648)	(70,071)	(149,093)	(126,815)
(Loss) income before income taxes	(56,362)	(108,592)	(1,029,888)	528,916
Income tax (benefit) expense	(11,342)	(20,494)	(278,599)	235,553
Net (loss) income	(45,020)	(88,098)	(751,289)	293,363
Other comprehensive (loss) income, before tax:
Change in unrealized loss on cash flow hedges	(8,552)	(208,528)	(79,143)	(421,928)
Foreign currency translation adjustments	26,214	14,348	14,111	18,184
Other comprehensive income (loss), before tax	17,662	(194,180)	(65,032)	(403,744)
Net tax benefit of other comprehensive income (loss) items	(3,374)	(83,975)	(31,219)	(169,910)
Other comprehensive income (loss), net of tax	21,036	(110,205)	(33,813)	(233,834)
Comprehensive (loss) income	$ (23,984)	$ (198,303)	$ (785,102)	$ 59,529
Net (loss) income per share (basic) (in dollars per share)	$ 0.00	$ (0.01)	$ (0.04)	$ 0.02
Net (loss) income per share (diluted) (in dollars per share)	$ 0.00	$ (0.01)	$ (0.04)	$ 0.01
Weighted average number of shares outstanding (basic) (in shares)	18,696,846	16,546,279	18,614,112	16,049,144
Weighted average number of shares outstanding (diluted) (in shares)	18,696,846	16,546,279	18,614,112	24,143,956