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Intangible Assets (Details 3) (USD $)
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3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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Jun. 30, 2013
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Selling And Marketing Expense [Member]
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| Intangible assets | ||||
| Royalty fees included in sales and marketing expense | $ 85,000 | $ 58,000 | $ 145,000 | $ 105,000 |
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Licensing Agreements [Member]
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| Intangible assets | ||||
| License agreements extended period | 60 days | |||
| Minimum royalty of agreements | 12,500 | |||
| Milestone fee upon receiving a Phase II Small Business Innovation Research | $ 15,000 | |||
| Number of products under development | 0 | |||
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Licensing Agreements [Member] | Minimum [Member]
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| Intangible assets | ||||
| Royalty fees range under the license agreements (as a percent) | 1.00% | |||
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Licensing Agreements [Member] | Maximum [Member]
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| Intangible assets | ||||
| Royalty fees range under the license agreements (as a percent) | 3.00% | |||
| Royalty stack cap for royalties paid to more than one licensor for sales of the same product (as a percent) | 3.75% | |||