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Subsequent Events | 6 Months Ended
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Jun. 30, 2018
Subsequent Events [Abstract] |
Subsequent Events | Subsequent Events Amendment to the Common Stock Sales Agreement In August 2018, we entered into a First Amendment (the "Amendment") to the Sales Agreement, dated February 8, 2018 HCW, in connection with an “at the market offering” under which we may, from time to time, offer and sell shares of our common stock. Under the Amendment, we increased the aggregate offering price from $12,000,000 to $25,000,000. Shares sold under the Sales Agreement will be offered and sold pursuant to the Company’s Registration Statement on Form S-3, which was initially filed on July 24, 2018 and which was declared effective by the Securities and Exchange Commission on August 2, 2018 (Registration No. 333-226319). All other provisions of the Sales Agreement remain unchanged.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -URI http://asc.fasb.org/topic&trid=2122774 + Details
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