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Consolidated Statements of Operations and Comprehensive Income (Unaudited) (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2013 | Mar. 31, 2012 | Mar. 31, 2013 | Mar. 31, 2012
Consolidated Statements Of Operations And Comprehensive Income |  |  |  |
Product sales, net | $ 2,846,718 | $ 2,775,486 | $ 8,654,553 | $ 8,180,749
Cost of sales | 1,522,901 | 1,895,724 | 4,887,104 | 5,374,593
Gross margin | 1,323,817 | 879,762 | 3,767,449 | 2,806,156
Operating expenses: |  |  |  |
Selling, general and administrative | 1,042,067 | 1,141,366 | 3,042,889 | 3,020,869
New product development | 216,626 | 236,643 | 693,394 | 795,894
Amortization of intangibles | 8,217 | 8,217 | 24,651 | 24,651
Loss on sale of property and equipment | (1,026) | 0 | (2,273) |
Total costs and expenses | 1,267,936 | 1,386,226 | 3,763,207 | 3,841,414
Operating income (loss) | 55,881 | (506,464) | 4,242 | (1,035,258)
Other income (expense): |  |  |  |
Interest expense | (50,951) | (21,750) | (96,007) | (66,920)
Interest expense - debt costs | (2,132) | (832) | (3,882) | (2,448)
Change in fair value of warrant liability | 222,766 | 0 | 488,102 | 0
Other income, net | (8,470) | 10,061 | 66,632 | 43,895
Total other income (expense), net | 161,213 | (12,521) | 454,845 | (25,473)
Net income (loss) | 217,094 | (518,985) | 459,087 | (1,060,731)
Income (loss) per common share (basic) | $ 0.02 | $ (0.05) | $ 0.04 | $ (0.11)
Number of shares used in per share calculation (basic) | 11,883,042 | 9,767,640 | 11,818,408 | 9,758,233
Income (loss) per common share (diluted) | $ 0.02 | $ (0.05) | $ 0.04 | $ (0.11)
Number of shares used in per share calculation (diluted) | 12,717,742 | 9,767,640 | 12,671,472 | 9,758,233
Foreign currency translation adjustment | (269) | 9,883 | 225 | 31,017
Comprehensive income (loss) | $ 216,825 | $ (509,102) | $ 459,312 | $ (1,029,714)

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- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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