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Consolidated Statement of Stockholders' Equity (Parenthetical) - $ / shares | Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2014
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Common stock issued for cash at $5.86 |  |  |
Stock issued, price per share |  |  | $ 5.86
Common stock issued for cash at $18.95 |  |  |
Stock issued, price per share |  |  | 18.95
Preferred stock issued for cash at $1,000 per share |  |  |
Stock issued, price per share |  |  | $ 1,000
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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