CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (USD $)	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS
Net sales	$ 7,096,692	$ 7,145,739
Cost of sales	6,676,449	6,040,301
Gross profit	420,243	1,105,438
Selling, general and administrative	1,770,082	2,000,412
Loss from operations	(1,349,839)	(894,974)
Other expense	(7,552)	(46)
Interest expense	(70,127)	(80,091)
Interest income	3,613	1,693
Total other expense, net	(74,066)	(78,444)
Loss before income taxes	(1,423,905)	(973,418)
Income tax expense (benefit)	0	(267,257)
Net loss	(1,423,905)	(706,161)
Other comprehensive loss, before tax:
Change in unrealized loss on cash flow hedges	(110,337)	(70,591)
Foreign currency translation adjustments	(2,212)	(12,103)
Other comprehensive loss, before tax	(112,549)	(82,694)
Net tax benefit of other comprehensive loss items		(27,845)
Comprehensive loss	$ (1,536,454)	$ (761,010)
Net loss per share (basic) (in dollars per share)	$ (0.07)	$ (0.04)
Net loss per share (diluted) (in dollars per share)	$ (0.07)	$ (0.04)
Weighted average number of shares outstanding (basic) (in shares)	19,956,871	18,394,577
Weighted average number of shares outstanding (diluted) (in shares)	19,956,871	18,394,577