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Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($)
 3 Months Ended 9 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Consolidated Statements Of Comprehensive Income Loss        
Product sales, net $ 4,111,973 $ 3,198,754 $ 12,538,634 $ 9,155,021
Cost of sales 1,887,146 1,597,725 5,702,239 5,306,169
Gross margin 2,224,827 1,601,029 6,836,395 3,848,852
Operating expenses:        
Selling, general and administrative 1,812,205 1,144,823 4,822,118 3,613,080
New product development 164,990 249,086 481,403 942,945
Loss on disposal of property and equipment 34,189   46,065 218
Total costs and expenses 2,011,384 1,393,909 5,349,586 4,556,243
Operating income (loss) 213,443 207,120 1,486,809 (707,391)
Other income (expense):        
Interest expense (8,287) (2,931) (30,100) (13,062)
Interest expense - debt costs       (13,270)
Change in fair value of warrant liability 661,854 (105,518) (25,211) 375,308
Other expense, net 35,718 (8,080) (217,296) 12,205
Total other income (expense), net 689,285 (116,529) (272,607) 361,181
Net income (loss) before taxes 902,728 90,591 1,214,202 (346,210)
Income taxes 126,970 800 131,054 1,836
Net income (loss) $ 775,758 $ 89,791 $ 1,083,148 $ (348,046)
Income (loss) per common share (basic) $ .05 $ .01 $ .07 $ (.02)
Number of shares used in per share calculation (basic) 15,530,574 15,028,231 15,339,337 14,537,727
Income (loss) per common share (diluted) $ 0.04 $ 0.01 $ 0.06 $ (0.02)
Number of shares used in per share calculation (diluted) 17,404,152 15,713,892 16,843,880 14,537,727
Foreign currency translation adjustment $ 26,258 $ (882) $ 47,181 $ (1,695)
Comprehensive income (loss) $ 802,016 $ 88,909 $ 1,130,329 $ (349,741)