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Consolidated Statements of Operation (USD $)
 12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Revenues:    
Product sales $ 23,382,521 $ 16,001,820
Contract and other 1,208,821 1,086,110
Total revenues 24,591,342 17,087,930
Cost of revenues 10,828,287 8,842,631
Gross profit 13,763,055 8,245,299
Operating expenses:    
Selling, general and administrative 7,959,003 5,438,406
Research and development 2,481,235 1,841,369
Total operating expenses 10,440,238 7,279,775
Income from operations 3,322,817 965,524
Other income 20,523 299,190
Income from operations before income taxes 3,343,340 1,264,714
Income tax expense 16,252 1,902
Net income $ 3,327,088 $ 1,262,812
Net income per common share - basic and diluted (in Dollars per share) $ 0.10 $ 0.04
Weighted average common shares outstanding:    
Basic (in Shares) 33,077,556 32,464,935
Diluted (in Shares) 33,437,124 32,920,019