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Patents | 6 Months Ended
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Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets Disclosure [Text Block] | Note 3 – Patents Costs of establishing patents, consisting of legal and filing fees paid to third parties, are expensed as incurred. The fair value of the Zertane patents, determined by an independent, third party appraisal to be $500,000, was being amortized over the remaining U.S. patent life since Aytu’s acquisition of approximately 11 years. As of June 30, 2016, Aytu determined that this asset had no value because the Company is directing its resources towards its commercial-stage products, and therefore, Aytu does not have the resources to complete the necessary clinical trials and bring Zertane to market before the patents expire. The remaining fair value of the Zertane patents were expensed as of June 30, 2016. The cost of the ORP related patents was $380,000 when they were acquired and are being amortized over the remaining U.S. patent life since Aytu’s acquisition of approximately 15 years. Patents consist of the following:
|  | As of December 31, |  | As of June 30, |
|  | 2016 |  | 2016 |
Patents |  | $ | 880,000 |  | $ | 880,000 |
Less accumulated amortization |  |  | (596,000) |  |  | (583,000) |
Patents, net |  | $ | 284,000 |  | $ | 297,000 |
The amortization expense was $6,000 and $18,000 for the three months ended December 31, 2016 and 2015, respectively. The amortization expense was $13,000 and $36,000 for the six months ended December 31, 2016 and 2015, respectively.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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