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Teva Agreement | 12 Months Ended
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Apr. 30, 2015
Teva Agreement [Abstract] |
Teva Agreement [Text Block] | Note 3. Teva Agreement On July 30, 2013, the Company entered into an agreement with Teva Pharmaceutical Industries Ltd., pursuant to which the Company agreed to conduct TumorGraft studies on multiple proprietary chemical compounds provided by Teva to determine the activity or response of these compounds in potential clinical indications. Under the agreement, Teva agreed to pay an upfront payment and, under certain conditions, pay the Company various amounts upon achieving certain milestones, based on the performance of the compounds in preclinical testing and dependent upon testing the compound in clinical settings and obtaining FDA approval. In addition, Teva agreed to pay the Company royalties on any commercialized products developed under the agreement. This agreement terminated a prior collaborative agreement between Cephalon, Inc. a wholly-owned subsidiary of Teva, and the Company. For the years ended April 30, 2015 and 2014, revenue of $724,000 and $194,000, respectively, were recognized relating to this agreement.

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