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Consolidated Statements of Operations and Comprehensive Income (Unaudited) (USD $)
 3 Months Ended 6 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Consolidated Statements Of Operations And Comprehensive Income        
Product sales, net $ 2,916,781 $ 2,672,138 $ 5,807,835 $ 5,405,263
Cost of sales 1,650,461 1,828,368 3,364,203 3,478,869
Gross margin 1,266,320 843,770 2,443,632 1,926,394
Operating expenses:        
Selling, general and administrative 1,018,367 883,882 2,000,822 1,879,503
New product development 264,311 271,532 476,768 559,251
Amortization of intangibles 8,217 8,217 16,434 16,434
Loss on sale of property and equipment 545    1,247   
Total costs and expenses 1,291,440 1,163,631 2,495,271 2,455,188
Operating loss (25,120) (319,861) (51,639) (528,794)
Other income (expense):        
Interest expense (14,616) (21,750) (45,056) (45,170)
Interest expense - debt costs (884) (816) (1,750) (1,616)
Change in fair value of warrant liability 169,552    265,336   
Other income, net 11,840 (872) 75,102 33,834
Net income (loss) 140,772 (343,299) 241,993 (541,746)
Income (Loss) per common share (basic) $ 0.01 $ (0.04) $ 0.02 $ (0.06)
Number of shares used in per share calculation (basic) 11,801,684 9,761,129 11,786,793 9,753,618
Income (Loss) per common share (diluted) $ 0.01 $ (0.04) $ 0.02 $ (0.06)
Number of shares used in per share calculation (diluted) 12,728,486 9,761,129 12,738,595 9,753,618
Foreign currency translation adjustment 3,651 9,278 494 21,134
Comprehensive loss $ 144,423 $ (334,021) $ 242,487 $ (520,612)