Stockholders' Equity	6 Months Ended
Dec. 31, 2017
Stockholders' Equity	Note 7. Stockholders’ Equity Equity Transactions Shelf Registration Statement In May 2017, we filed a shelf registration statement on Form S-3 with the SEC (the “shelf registration statement”). The shelf registration statement was declared effective by the SEC in May 2017. The shelf registration statement permits us to sell, from time to time, up to $150.0 million of common stock, preferred stock and warrants. In November 2017, we entered into an At-The-Market Equity Offering Sales Agreement (the “ATM Sales Agreement”), pursuant to which we may sell an aggregate of up to $30.0 million of our common stock pursuant to the shelf registration statement. As of December 31, 2017, we have not sold any shares under the ATM Sales Agreement, and there is $150.0 million aggregate value of securities available under the shelf registration statement. Helsinn Equity Investment In August 2016, contemporaneously with the Helsinn License Agreement, we entered into a Common Stock Purchase Agreement with Helsinn (“Helsinn Equity Agreement”). Pursuant to the terms of the Helsinn Equity Agreement, we issued 2,616,431 shares of common stock in exchange for $5.0 million in August 2016. The transaction was exempt from registration pursuant to Section 4(a)(2) of the Securities Act of 1933, as amended.

Stockholders' Equity

6 Months Ended

Dec. 31, 2017

Note 7. Stockholders’ Equity

Equity Transactions

Shelf Registration Statement

In May 2017, we filed a shelf registration statement on Form S-3 with the SEC (the “shelf registration statement”). The shelf registration statement was declared effective by the SEC in May 2017. The shelf registration statement permits us to sell, from time to time, up to $150.0 million of common stock, preferred stock and warrants. In November 2017, we entered into an At-The-Market Equity Offering Sales Agreement (the “ATM Sales Agreement”), pursuant to which we may sell an aggregate of up to $30.0 million of our common stock pursuant to the shelf registration statement. As of December 31, 2017, we have not sold any shares under the ATM Sales Agreement, and there is $150.0 million aggregate value of securities available under the shelf registration statement.

Helsinn Equity Investment

In August 2016, contemporaneously with the Helsinn License Agreement, we entered into a Common Stock Purchase Agreement with Helsinn (“Helsinn Equity Agreement”). Pursuant to the terms of the Helsinn Equity Agreement, we issued 2,616,431 shares of common stock in exchange for $5.0 million in August 2016. The transaction was exempt from registration pursuant to Section 4(a)(2) of the Securities Act of 1933, as amended.