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Consolidated Statements of Operations and Comprehensive Income (Unaudited) (USD $)
 3 Months Ended 9 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Consolidated Statements Of Operations And Comprehensive Income        
Product sales, net $ 3,005,592 $ 2,846,718 $ 8,723,173 $ 8,654,553
Cost of sales 1,539,278 1,522,901 4,697,785 4,887,104
Gross margin 1,466,314 1,323,817 4,025,388 3,767,449
Operating expenses:        
Selling, general and administrative 1,098,997 1,042,067 3,330,006 3,042,889
New product development 319,499 216,626 878,172 693,394
Amortization of intangibles 5,518 8,217 21,952 24,651
Loss (gain) on disposal of property and equipment (587) 1,026 511 2,273
Total costs and expenses 1,423,427 1,267,936 4,230,641 3,763,207
Operating income (loss) 42,887 55,881 (205,253) 4,242
Other income (expense):        
Interest expense (350) (50,951) (770) (96,007)
Interest expense - debt costs (12,645) (2,132) (22,692) (3,882)
Change in fair value of warrant liability (130,698) 222,766 (184,663) 488,102
Other income (expense), net (32,516) (8,470) (2,322) 66,632
Total other income (expense), net (176,209) 161,213 (210,447) 454,845
Net income (loss) (133,322) 217,094 (415,700) 459,087
Income (loss) per common share - (basic) $ (0.01) $ 0.02 $ (0.03) $ 0.04
Number of shares used in per share calculation - (basic) 14,292,976 11,883,042 13,905,376 11,818,048
Income (loss) per common share - (diluted) $ (0.01) $ 0.02 $ (0.03) $ 0.04
Number of shares used in per share calculation - (diluted) 14,292,976 12,717,742 13,905,376 12,671,472
Foreign currency translation adjustment (4,534) (269) 9,261 225
Comprehensive income (loss) $ (137,856) $ 216,825 $ (406,439) $ 459,312