CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS
Net sales	$ 4,103,887	$ 4,570,711	$ 8,478,862	$ 10,801,052
Cost of sales	2,696,333	3,702,996	5,788,449	9,715,097
Gross profit	1,407,554	867,715	2,690,413	1,085,955
Selling, general and administrative	910,038	1,210,136	1,714,245	2,538,909
Income (loss) from operations	497,516	(342,421)	976,168	(1,452,954)
Other income (expense)	1,255	(1,211)	1,066	(1,158)
Interest expense (includes OCI reclassifications for cash flow hedges of ($219,359) and ($248,464) in 2014)	(244,179)	(458,005)	(516,301)	(618,594)
Interest income	14	75	24	75
Total other expense, net	(242,910)	(459,141)	(515,211)	(619,677)
Income (loss) before income taxes	254,606	(801,562)	460,957	(2,072,631)
Income tax benefit (related to OCI reclassification)	0	(152,792)	0	(152,792)
Net income (loss)	254,606	(648,770)	460,957	(1,919,839)
Other comprehensive income, before tax:
Change in unrealized loss on cash flow hedges				(16,680)
Reclassification adjustment for cash flow hedges		219,359		248,464
Foreign currency translation adjustments	1,413	17	1,352	47
Other comprehensive income, before tax	1,413	219,376	1,352	231,831
Tax expense from reclassification adjustment		152,792		152,792
Other comprehensive income, net of tax	1,413	66,584	1,352	79,039
Comprehensive income (loss)	$ 256,019	$ (582,186)	$ 462,309	$ (1,840,800)
Net income (loss) per share (basic) (in dollars per share)	$ 0.010	$ (0.030)	$ 0.020	$ (0.080)
Net income (loss) per share (diluted) (in dollars per share)	$ 0.010	$ (0.030)	$ 0.020	$ (0.080)
Weighted average number of shares outstanding (basic) (in shares)	26,113,433	24,669,958	25,460,435	24,336,018
Weighted average number of shares outstanding (diluted) (in shares)	26,257,402	24,669,958	25,503,542	24,336,018