Common Stock Warrants

12 Months Ended

Dec. 31, 2018

Common Stock Warrants [Abstract]

Common Stock Warrants

7. Common Stock Warrants

In September 2016, in connection with the loan agreement, the Company issued warrants to the Lenders to purchase up to 29,796 shares of common stock at a price per share of $10.74. The warrants expire in September 2026, or earlier upon the occurrence of specified mergers or acquisitions of the Company, and are immediately exercisable. The warrants were recorded in equity and had a remaining life of 7.75 years as of December 31, 2018.