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Consolidated Statement of Stockholders' Equity (Parenthetical) - $ / shares | Sep. 30, 2016 | Sep. 30, 2015
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Common stock issued for cash at $5.90 per share |  |
Stock issued, price per share | $ 5.90 |
Novartis |  |
Stock issued, price per share |  | $ 7.53
Amgen |  |
Stock issued, price per share | $ 7.16 |

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