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SUBSEQUENT EVENTS	6 Months Ended
	Jun. 30, 2018
Subsequent Events [Abstract]
SUBSEQUENT EVENTS	5. SUBSEQUENT EVENTS 2018 Sales Agreement In July 2018, we sold an aggregate of 636,053 shares of our common stock pursuant to the 2018 Sales Agreement, resulting in net cash proceeds to us of approximately $2,167,000 after deducting sales commissions and estimated offering expenses payable by us. For further discussion of the 2018 Sales Agreement, see Note 4 on Stockholders’ Equity. 2011 Incentive Award Plan In July 2018, outstanding stock options to purchase 438,902 shares of our common stock with a weighted average exercise price of $1.71 per share under the 2011 Plan were exercised resulting in cash proceeds to us of approximately $749,000.

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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