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Statements Of Earnings (USD $) | 12 Months Ended
--- | ---
Sep. 30, 2013 | Sep. 30, 2012
Net sales | $ 53,353,080 | $ 37,473,966
Cost of sales | 31,363,502 | 22,188,245
Gross profit | 21,989,578 | 15,285,721
Operating expenses |  |
Selling, general and administrative | 14,544,843 | 11,010,840
Income from operations | 7,444,735 | 4,274,881
Interest income | 92,281 | 102,014
Income before income taxes | 7,537,016 | 4,376,895
Income tax expense (benefit) | 2,803,172 | (3,324,299)
Net income | $ 4,733,844 | $ 7,701,194
Net income per share Basic (in Dollars per share) | $ 0.38 | $ 0.62
Net income per share Diluted (in Dollars per share) | $ 0.36 | $ 0.60
Shares used in calculation of net income per share: |  |
Basic (in Shares) | 12,527,153 | 12,371,371
Diluted (in Shares) | 13,078,939 | 12,790,168

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