Common Stock (Table)

12 Months Ended

Dec. 31, 2018

Text Block [Abstract]

Summary of Common Stock Reserved and Unreserved for Future Issuance

As of December 31, 2018, the Company’s common stock available for future issuance is summarized as follows:

Common stock authorized	200,000,000
Common stock issued and reserved for future issuance:
Common stock issued and outstanding	9,078,238
Common stock reserved for the exercises of common stock warrants*	7,345,103
Common stock reserved for the exercise of options	353,274
Common stock reserved for other	497
Common stock reserved for future awards under the Plans (Note 13)	1,499,934
Total common stock issued and reserved for future issuance	18,277,046
Unreserved common stock available for future issuance	181,722,954
*The 1,612 warrants for the redeemable preferred stock require 150% common stock reserve